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Items: 1 to 20 of 100

1.

Practical experiences on the necessity of external validation.

König IR, Malley JD, Weimar C, Diener HC, Ziegler A; German Stroke Study Collaboration.

Stat Med. 2007 Dec 30;26(30):5499-511.

PMID:
17907249
2.

Comments on 'Practical experiences on the necessity of external validation'.

Björk J, Green M, Ekelund U.

Stat Med. 2008 Jun 30;27(14):2737-8; author reply 2738-40. doi: 10.1002/sim.3168. No abstract available.

PMID:
18167628
3.

External validation is necessary in prediction research: a clinical example.

Bleeker SE, Moll HA, Steyerberg EW, Donders AR, Derksen-Lubsen G, Grobbee DE, Moons KG.

J Clin Epidemiol. 2003 Sep;56(9):826-32.

PMID:
14505766
4.

Alternative methods to evaluate trial level surrogacy.

Abrahantes JC, Shkedy Z, Molenberghs G.

Clin Trials. 2008;5(3):194-208. doi: 10.1177/1740774508091677.

PMID:
18559408
5.

External validity of predictive models: a comparison of logistic regression, classification trees, and neural networks.

Terrin N, Schmid CH, Griffith JL, D'Agostino RB, Selker HP.

J Clin Epidemiol. 2003 Aug;56(8):721-9.

PMID:
12954463
6.

Predicting recovery after intracerebral hemorrhage--an external validation in patients from controlled clinical trials.

Weimar C, Ziegler A, Sacco RL, Diener HC, König IR; VISTA investigators.

J Neurol. 2009 Mar;256(3):464-9. doi: 10.1007/s00415-009-0115-z. Epub 2009 Mar 18.

PMID:
19308308
7.

Development and external validation of prognostic model for 2-year survival of non-small-cell lung cancer patients treated with chemoradiotherapy.

Dehing-Oberije C, Yu S, De Ruysscher D, Meersschout S, Van Beek K, Lievens Y, Van Meerbeeck J, De Neve W, Rao B, van der Weide H, Lambin P.

Int J Radiat Oncol Biol Phys. 2009 Jun 1;74(2):355-62. doi: 10.1016/j.ijrobp.2008.08.052. Epub 2008 Dec 25.

PMID:
19095367
8.

Predicting outcome after traumatic brain injury: development and international validation of prognostic scores based on admission characteristics.

Steyerberg EW, Mushkudiani N, Perel P, Butcher I, Lu J, McHugh GS, Murray GD, Marmarou A, Roberts I, Habbema JD, Maas AI.

PLoS Med. 2008 Aug 5;5(8):e165; discussion e165. doi: 10.1371/journal.pmed.0050165.

9.

[Predicted functional outcome 100 days after ischemic strokes: design of a prospective study about the external validation of a prognostic model].

König IR, Weimar C, Diener HC, Ziegler A.

Z Arztl Fortbild Qualitatssich. 2003 Dec;97(10):717-22. German.

PMID:
14997590
10.

[The necessity of validating regression models--characterization of the most important methods].

Muche R.

Rehabilitation (Stuttg). 2008 Aug;47(4):243-50. doi: 10.1055/s-2008-1077068. German.

PMID:
18704874
11.

Predicting breast cancer survivability: a comparison of three data mining methods.

Delen D, Walker G, Kadam A.

Artif Intell Med. 2005 Jun;34(2):113-27.

PMID:
15894176
12.

A systematic review finds methodological improvements necessary for prognostic models in determining traumatic brain injury outcomes.

Mushkudiani NA, Hukkelhoven CW, Hernández AV, Murray GD, Choi SC, Maas AI, Steyerberg EW.

J Clin Epidemiol. 2008 Apr;61(4):331-43. doi: 10.1016/j.jclinepi.2007.06.011. Review.

PMID:
18313557
13.

Combinatorial QSAR modeling of chemical toxicants tested against Tetrahymena pyriformis.

Zhu H, Tropsha A, Fourches D, Varnek A, Papa E, Gramatica P, Oberg T, Dao P, Cherkasov A, Tetko IV.

J Chem Inf Model. 2008 Apr;48(4):766-84. doi: 10.1021/ci700443v. Epub 2008 Mar 1.

PMID:
18311912
14.

A comprehensive comparison of random forests and support vector machines for microarray-based cancer classification.

Statnikov A, Wang L, Aliferis CF.

BMC Bioinformatics. 2008 Jul 22;9:319. doi: 10.1186/1471-2105-9-319.

15.

A decision support system to facilitate management of patients with acute gastrointestinal bleeding.

Chu A, Ahn H, Halwan B, Kalmin B, Artifon EL, Barkun A, Lagoudakis MG, Kumar A.

Artif Intell Med. 2008 Mar;42(3):247-59. Epub 2007 Dec 11.

PMID:
18063351
16.

Ligand-based models for the isoform specificity of cytochrome P450 3A4, 2D6, and 2C9 substrates.

Terfloth L, Bienfait B, Gasteiger J.

J Chem Inf Model. 2007 Jul-Aug;47(4):1688-701. Epub 2007 Jul 3.

PMID:
17608404
17.

Development and validation of a prognostic model for survival time data: application to prognosis of HIV positive patients treated with antiretroviral therapy.

May M, Royston P, Egger M, Justice AC, Sterne JA; ART Cohort Collaboration.

Stat Med. 2004 Aug 15;23(15):2375-98.

PMID:
15273954
18.

Internal and external validation of predictive models: a simulation study of bias and precision in small samples.

Steyerberg EW, Bleeker SE, Moll HA, Grobbee DE, Moons KG.

J Clin Epidemiol. 2003 May;56(5):441-7.

PMID:
12812818
19.

Validation of prognostic indices using the frailty model.

Legrand C, Duchateau L, Janssen P, Ducrocq V, Sylvester R.

Lifetime Data Anal. 2009 Mar;15(1):59-78. doi: 10.1007/s10985-008-9092-2. Epub 2008 Jul 11.

PMID:
18618249
20.

Models developed by three techniques did not achieve acceptable prediction of binary trauma outcomes.

Wolfe R, McKenzie DP, Black J, Simpson P, Gabbe BJ, Cameron PA.

J Clin Epidemiol. 2006 Jan;59(1):26-35. Epub 2005 Nov 2.

PMID:
16360558

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