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Items: 1 to 50 of 254

1.

Treatment of carpal tunnel syndrome with wrist splinting: study protocol for a randomized placebo-controlled trial.

Atroshi I, Tadjerbashi K, McCabe SJ, Ranstam J.

Trials. 2019 Aug 27;20(1):531. doi: 10.1186/s13063-019-3635-6.

2.

Education, home exercise and supervised exercise for people with hip and knee osteoarthritis as part of a nationwide implementation programme: data from the BOA registry.

Dell'Isola A, Jönsson T, Ranstam J, Dahlberg LE, Hansson EE.

Arthritis Care Res (Hoboken). 2019 Jul 19. doi: 10.1002/acr.24033. [Epub ahead of print]

PMID:
31325229
3.

Improper study design precludes valid effect estimates in important suicide prevention research.

Thorell LH, Wahlin K, Ranstam J.

Int J Methods Psychiatr Res. 2019 Sep;28(3):e1786. doi: 10.1002/mpr.1786. Epub 2019 May 29.

PMID:
31144394
4.

Hypothesis-generating and confirmatory studies, Bonferroni correction, and pre-specification of trial endpoints.

Ranstam J.

Acta Orthop. 2019 Aug;90(4):297. doi: 10.1080/17453674.2019.1612624. Epub 2019 May 14. No abstract available.

5.

Time to restrict the use of p-values in Acta Orthopaedica.

Ranstam J.

Acta Orthop. 2019 Feb;90(1):1-2. doi: 10.1080/17453674.2018.1536526. Epub 2018 Nov 26. No abstract available.

6.

Evaluation of a digital platform for osteoarthritis treatment: study protocol for a randomised clinical study.

Nero H, Ranstam J, Kiadaliri AA, Dahlberg LE.

BMJ Open. 2018 Nov 8;8(11):e022925. doi: 10.1136/bmjopen-2018-022925.

7.

Statistical mistakes and how to avoid them - lessons learned from the reproducibility crisis.

Turkiewicz A, Luta G, Hughes HV, Ranstam J.

Osteoarthritis Cartilage. 2018 Nov;26(11):1409-1411. doi: 10.1016/j.joca.2018.07.017. Epub 2018 Aug 8. No abstract available.

PMID:
30096356
8.

Subacromial decompression versus diagnostic arthroscopy for shoulder impingement: randomised, placebo surgery controlled clinical trial.

Paavola M, Malmivaara A, Taimela S, Kanto K, Inkinen J, Kalske J, Sinisaari I, Savolainen V, Ranstam J, Järvinen TLN; Finnish Subacromial Impingement Arthroscopy Controlled Trial (FIMPACT) Investigators.

BMJ. 2018 Jul 19;362:k2860. doi: 10.1136/bmj.k2860.

9.

Are competing risks models appropriate to describe implant failure?

Ranstam J.

Acta Orthop. 2018 Jun;89(3):253. doi: 10.1080/17453674.2018.1452470. No abstract available.

10.

Non-inferiority and equivalence trials.

Ranstam J, Cook JA.

Br J Surg. 2017 Oct;104(11):1578-1579. doi: 10.1002/bjs.10243. Review. No abstract available.

PMID:
28895139
11.

The Cox model is better than the Fine and Gray model when estimating relative revision risks from arthroplasty register data.

Ranstam J, Robertsson O.

Acta Orthop. 2017 Dec;88(6):578-580. doi: 10.1080/17453674.2017.1361130. Epub 2017 Aug 3.

12.

Delaying ACL reconstruction and treating with exercise therapy alone may alter prognostic factors for 5-year outcome: an exploratory analysis of the KANON trial.

Filbay SR, Roos EM, Frobell RB, Roemer F, Ranstam J, Lohmander LS.

Br J Sports Med. 2017 Nov;51(22):1622-1629. doi: 10.1136/bjsports-2016-097124. Epub 2017 May 17.

13.

ArthroplastyWatch.com three-year follow-up: where do we stand now?

Alriksson-Schmidt A, Ranstam J, Robertsson O, Lidgren L.

EFORT Open Rev. 2017 Mar 13;1(4):81-82. doi: 10.1302/2058-5241.1.160029. eCollection 2016 Apr. No abstract available.

14.

Fetal hemoglobin in umbilical cord blood in preeclamptic and normotensive pregnancies: A cross-sectional comparative study.

Masoumi Z, Familari M, Källén K, Ranstam J, Olofsson P, Hansson SR.

PLoS One. 2017 Apr 28;12(4):e0176697. doi: 10.1371/journal.pone.0176697. eCollection 2017.

15.

Statistical models and confounding adjustment.

Cook JA, Ranstam J.

Br J Surg. 2017 May;104(6):786-787. doi: 10.1002/bjs.10245. No abstract available.

PMID:
28407223
16.

Predictive value of traction force measurement in vacuum extraction: Development of a multivariate prognostic model.

Pettersson K, Yousaf K, Ranstam J, Westgren M, Ajne G.

PLoS One. 2017 Mar 3;12(3):e0171938. doi: 10.1371/journal.pone.0171938. eCollection 2017.

17.

Kaplan-Meier curve.

Ranstam J, Cook JA.

Br J Surg. 2017 Mar;104(4):442. doi: 10.1002/bjs.10238. No abstract available.

PMID:
28199017
18.

Spurious findings.

Cook JA, Ranstam J.

Br J Surg. 2017 Jan;104(1):97. doi: 10.1002/bjs.10239. No abstract available.

PMID:
28000938
19.

Clinical prediction models.

Ranstam J, Cook JA, Collins GS.

Br J Surg. 2016 Dec;103(13):1886. doi: 10.1002/bjs.10242. Review. No abstract available.

PMID:
27901285
20.

Overfitting.

Cook JA, Ranstam J.

Br J Surg. 2016 Dec;103(13):1814. doi: 10.1002/bjs.10244. Review. No abstract available.

PMID:
27901280
21.

Exercise therapy versus arthroscopic partial meniscectomy for degenerative meniscal tear in middle aged patients: randomised controlled trial with two year follow-up.

Kise NJ, Risberg MA, Stensrud S, Ranstam J, Engebretsen L, Roos EM.

Br J Sports Med. 2016 Dec;50(23):1473-1480. doi: 10.1136/bjsports-2016-i3740rep.

22.

Causal relationship and confounding in statistical models.

Ranstam J, Cook JA.

Br J Surg. 2016 Oct;103(11):1445-6. doi: 10.1002/bjs.10241. No abstract available.

PMID:
27654647
23.

Considerations for the design, analysis and presentation of in vivo studies.

Ranstam J, Cook JA.

Osteoarthritis Cartilage. 2017 Mar;25(3):364-368. doi: 10.1016/j.joca.2016.06.023. Epub 2016 Jul 30.

24.
25.

Statistical models: an overview.

Ranstam J, Cook JA.

Br J Surg. 2016 Jul;103(8):1047. doi: 10.1002/bjs.10240. No abstract available.

PMID:
27304849
26.

Fetal hemoglobin, α1-microglobulin and hemopexin are potential predictive first trimester biomarkers for preeclampsia.

Anderson UD, Gram M, Ranstam J, Thilaganathan B, Kerström B, Hansson SR.

Pregnancy Hypertens. 2016 Apr;6(2):103-9. doi: 10.1016/j.preghy.2016.02.003. Epub 2016 Apr 13.

PMID:
27155336
27.

Multiple P-values and Bonferroni correction.

Ranstam J.

Osteoarthritis Cartilage. 2016 May;24(5):763-4. doi: 10.1016/j.joca.2016.01.008. Epub 2016 Jan 21. No abstract available.

28.

Extended Follow-up of a Randomized Clinical Trial of Open vs Endoscopic Release Surgery for Carpal Tunnel Syndrome.

Atroshi I, Hofer M, Larsson GU, Ranstam J.

JAMA. 2015 Oct 6;314(13):1399-401. doi: 10.1001/jama.2015.12208. No abstract available.

PMID:
26441187
29.

OARSI Clinical Trials Recommendations: Key analytic considerations in design, analysis, and reporting of randomized controlled trials in osteoarthritis.

Losina E, Ranstam J, Collins JE, Schnitzer TJ, Katz JN.

Osteoarthritis Cartilage. 2015 May;23(5):677-85. doi: 10.1016/j.joca.2015.03.011. Review.

30.

Treatment for acute anterior cruciate ligament tear: five year outcome of randomised trial.

Frobell RB, Roos HP, Roos EM, Roemer FW, Ranstam J, Lohmander LS.

Br J Sports Med. 2015 May;49(10):700. doi: 10.1136/bjsports-2014-f232rep.

PMID:
25926596
31.

An examination of the effect of different methods of scoring pain after a total knee replacement on the number of patients who report unchanged or worse pain.

W-Dahl A, Sundberg M, Lidgren L, Ranstam J, Robertsson O.

Bone Joint J. 2014 Sep;96-B(9):1222-6. doi: 10.1302/0301-620X.96B9.33363.

PMID:
25183594
32.

Oral contraceptive use, parity, and constitutional characteristics in soft tissue sarcoma: a Swedish population-based case-control study 1988-2009.

Wagner P, Alvegård T, Ranstam J, Rydholm A, Vult von Steyern F, Olsson H.

Cancer Causes Control. 2014 Sep;25(9):1167-77. doi: 10.1007/s10552-014-0420-4. Epub 2014 Jul 18.

PMID:
25034461
33.

The Swedish Knee Arthroplasty Register: a review.

Robertsson O, Ranstam J, Sundberg M, W-Dahl A, Lidgren L.

Bone Joint Res. 2014 Jul;3(7):217-22. doi: 10.1302/2046-3758.37.2000289. Review.

34.

Countrywise results of total hip replacement. An analysis of 438,733 hips based on the Nordic Arthroplasty Register Association database.

Mäkelä KT, Matilainen M, Pulkkinen P, Fenstad AM, Havelin LI, Engesaeter L, Furnes O, Overgaard S, Pedersen AB, Kärrholm J, Malchau H, Garellick G, Ranstam J, Eskelinen A.

Acta Orthop. 2014 Apr;85(2):107-16. doi: 10.3109/17453674.2014.893498.

35.

Methylprednisolone injections for the carpal tunnel syndrome.

Atroshi I, Ranstam J.

Ann Intern Med. 2013 Dec 17;159(12):858-9. No abstract available.

PMID:
24490276
36.

Prevention of surgical site infection in total joint arthroplasty: an international tertiary care center survey.

Ricciardi BF, Bostrom MP, Lidgren L, Ranstam J, Merollini KM, W-Dahl A.

HSS J. 2014 Feb;10(1):45-51. doi: 10.1007/s11420-013-9369-1. Epub 2013 Dec 3.

37.

Failure rate of cemented and uncemented total hip replacements: register study of combined Nordic database of four nations.

Mäkelä KT, Matilainen M, Pulkkinen P, Fenstad AM, Havelin L, Engesaeter L, Furnes O, Pedersen AB, Overgaard S, Kärrholm J, Malchau H, Garellick G, Ranstam J, Eskelinen A.

BMJ. 2014 Jan 13;348:f7592. doi: 10.1136/bmj.f7592.

38.

Platelet-rich plasma for chronic tennis elbow: letters to the editor.

Aspenberg P, Ranstam J.

Am J Sports Med. 2014 Jan;42(1):NP1-2. doi: 10.1177/0363546513512784. No abstract available.

PMID:
24384918
39.

The importance of clear language.

Ranstam J.

Acta Orthop. 2013 Oct;84(5):443. doi: 10.3109/17453674.2013.842435. Epub 2013 Sep 16. No abstract available.

40.

Methylprednisolone injections for the carpal tunnel syndrome: a randomized, placebo-controlled trial.

Atroshi I, Flondell M, Hofer M, Ranstam J.

Ann Intern Med. 2013 Sep 3;159(5):309-17. doi: 10.7326/0003-4819-159-5-201309030-00004.

PMID:
24026316
41.

Authors' response to editorial by Levy and colleagues on Treating ACL injuries in young moderately active adults.

Lohmander LS, Roos HP, Roos EM, Ranstam J, Frobell RB.

BMJ. 2013 Apr 10;346:f2082. doi: 10.1136/bmj.f2082. No abstract available.

PMID:
23575926
42.

Republished research: treatment for acute anterior cruciate ligament tear: five year outcome of randomised trial.

Frobell RB, Roos HP, Roos EM, Roemer FW, Ranstam J, Lohmander LS.

Br J Sports Med. 2013 Apr;47(6):373. doi: 10.1136/bjsports-2013-f232rep. No abstract available.

PMID:
23525751
43.

A randomized trial of balloon kyphoplasty and nonsurgical management for treating acute vertebral compression fractures: vertebral body kyphosis correction and surgical parameters.

Van Meirhaeghe J, Bastian L, Boonen S, Ranstam J, Tillman JB, Wardlaw D; FREE investigators.

Spine (Phila Pa 1976). 2013 May 20;38(12):971-83. doi: 10.1097/BRS.0b013e31828e8e22.

44.

ArthroplastyWatch--beyond borders, beyond compliance.

Lidgren L, Alriksson-Schmidt A, Ranstam J.

BMJ. 2013 Feb 19;346:f1013. doi: 10.1136/bmj.f1013. No abstract available.

PMID:
23423365
45.

Treatment for acute anterior cruciate ligament tear: five year outcome of randomised trial.

Frobell RB, Roos HP, Roos EM, Roemer FW, Ranstam J, Lohmander LS.

BMJ. 2013 Jan 24;346:f232. doi: 10.1136/bmj.f232.

46.

[Prepare the evaluation of the quality registries].

Ranstam J.

Lakartidningen. 2012 Oct 17-23;109(42):1900. Swedish. No abstract available.

PMID:
23193940
47.

Metal-on-metal joint bearings and hematopoetic malignancy.

Wagner P, Olsson H, Ranstam J, Robertsson O, Zheng MH, Lidgren L.

Acta Orthop. 2012 Dec;83(6):553-8. doi: 10.3109/17453674.2012.747055. Epub 2012 Nov 9. Review.

48.

Atypical femoral fractures are a separate entity, characterized by highly specific radiographic features. A comparison of 59 cases and 218 controls.

Schilcher J, Koeppen V, Ranstam J, Skripitz R, Michaëlsson K, Aspenberg P.

Bone. 2013 Jan;52(1):389-92. doi: 10.1016/j.bone.2012.10.016. Epub 2012 Oct 22.

PMID:
23098829
49.

Balloon kyphoplasty in patients with osteoporotic vertebral compression fractures.

Wardlaw D, Van Meirhaeghe J, Ranstam J, Bastian L, Boonen S.

Expert Rev Med Devices. 2012 Jul;9(4):423-36. doi: 10.1586/erd.12.27. Review.

PMID:
22905846
50.

Relapse of endometrial carcinoma: follow-up of 272 patients with relapse.

Lindahl B, Ranstam J, Willén R.

Anticancer Res. 2012 Aug;32(8):3391-5.

PMID:
22843920

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