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JAMA. 2013 Sep 4;310(9):959-68. doi: 10.1001/jama.2013.184182.

Prevalence, awareness, treatment, and control of hypertension in rural and urban communities in high-, middle-, and low-income countries.

Collaborators (320)

Rangarajan S, Teo KK, Chow CK, Islam S, Zhang M, Kabali C, Dehghan M, Xiong J, Mente A, DeJesus J, Mackie P, Madhavan M, Corsi D, Farago L, Michael J, Kay I, Zafar S, Williams D, Solano R, Solano N, Farago M, Rimac J, Trottier S, ElSheikh W, Mustaha M, Kaszyca J, Hrnic R, Yusuf S, McQueen M, Hall K, Keys J, Wang X, Keneth J, Diaz R, Orlandini A, Bahit C, Linetsky B, Toscanelli S, Casaccia G, Cuneo JM, Rahman O, Yusuf R, Azad AK, Rabbani KA, Cherry HM, Mannan A, Hassan I, Talukdar AT, Tooheen RB, Khan MU, Avezum A, Oliveira GB, Marcilio CS, Mattos AC, Teo K, Yusuf S, Dejesus J, Zafar S, Williams D, Rimac J, Dagenais G, Poirier P, Turbide G, Auger D, De Bluts A, Proulx MC, Cayer M, Bonneville N, Lear S, Chockalingam A, Gasevic D, Gyawali S, Hage-Moussa S, Mah G, MacLeod M, Vukmirovich I, Wielgosz A, Fodor G, Pipe A, Moroz S, Muthuri S, Lanas F, Seron P, Martinez S, Lisheng L, Wei L, Chunming C, Xingyu W, Wenhua Z, Jian B, Xiaohong C, Tao C, Hui C, Xiaoru C, Qing D, Xinye H, Bo H, Xuan J, Jian L, Juan L, Xu L, Bing R, Yi S, Wei W, Yang W, Jun Y, Yi Z, Hongye Z, Xiuwen Z, Manlu Z, Fanghong L, Jianfang W, Yindong L, Yan H, Liangqing Z, Baoxia G, Xiaoyang L, Shiying Z, Rongwen B, Xiuzhen T, Dong L, Di C, Jianguo W, Yize X, Tianlu L, Peng Z, Changlin D, Ning L, Xiaolan M, Yuqing Y, Rensheng L, Minfan F, Jing H, Yu L, Xiaojie X, Qiang Z, Lopez-Jaramillo P, Garcia R, Arguello JF, Dueñas R, Silva S, Pradilla LP, Ramirez F, Molina DI, Cure-Cure C, Perez M, Hernandez E, Arcos E, Fernandez S, Narvaez C, Paez J, Sotomayor A, Garcia H, Sanchez G, David T, Gómez-Arbeláez D, Rico A, Vaz M, Bharathi AV, Swaminathan S, Mony P, Kurpad K, Jayachitra KG, Kumar N, Mohan V, Deepa M, Parthiban K, Anitha M, Hemavathy S, Rahulashankiruthiyayan T, Anitha D, Sridevi K, Gupta R, Panwar RB, Mohan I, Rastogi P, Rastogi S, Bhargava R, Kumar R, Thakur JS, Patro B, Mahajan R, Chaudary P, Kutty V, Vijayakumar K, Ajayan K, Rajasree G, Renjini AR, Deepu A, Sandhya B, Asha S, Soumya HS, Kelishadi R, Bahonar A, Mohammadifard N, Heidari H, Yusoff K, Nawawi HM, Ismail TS, Ramli AS, Razali R, Khan NA, Nasir NM, Ahmad R, Winn T, Majid FA, Noorhassim I, Hasni MJ, Azmi MT, Zaleha MI, Hazdi KY, Rizam AR, Sazman W, Azman A, Iqbal R, Shahid M, Khawaja R, Kazmi K, Zatonski W, Andrzejak R, Szuba A, Zatonska K, Ilow R, Ferus M, Regulska-Ilow B, Różańska D, Wolynie M, Kruger A, Voster HH, Schutte AE, Wentzel-Viljoen E, Eloff FC, de Ridder H, Moss H, Potgieter J, Roux AA, Watson M, de Wet G, Olckers A, Jerling JC, Pieters M, Hoekstra T, Puoane T, Igumbor E, Tsolekile L, Sanders D, Naidoo P, Steyn N, Peer N, Mayosi B, Rayner B, Lambert V, Levitt N, Kolbe-Alexander T, Ntyintyane L, Hughes G, Swart R, Fourie J, Muzigaba M, Xapa S, Gobile N, Ndayi K, Jwili B, Ndibaza K, Egbujie B, de Lima T, Petersen M, Govender S, Rosengren A, Boström K, Lindblad U, Langkilde P, Gustavsson A, Andreasson M, Snällman M, Wirdemann L, Pettersson K, Moberg E, Oguz A, Akalin AA, Calik KB, Imeryuz N, Temizhan A, Alphan E, Gunes E, Sur H, Karsidag K, Gulec S, Altuntas Y, Yusufali AM, Almahmeed W, Swidan H, Darwish EA, Hashemi AR, Al-Khaja N, Muscat-Baron JM, Ahmed SH, Mamdouh TM, Darwish WM, Abdelmotagali MH, Awed SA, Movahedi GA, Hussain F, Al Shaibani H, Gharabou RI, Youssef DF, Nawati AZ, Salah ZA, Abdalla RF, Al Shuwaihi SM, Al Omairi MA, Cadigal OD, Alejandrino RS, Chifamba J, Gwaunza L, Terera G, Mahachi C, Mrambiwa P, Machiweni T, Mapanga R.

Author information

  • 1Population Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada.

Abstract

IMPORTANCE:

Hypertension is the most important preventable cause of morbidity and mortality globally, yet there are relatively few data collected using standardized methods.

OBJECTIVE:

To examine hypertension prevalence, awareness, treatment, and control in participants at baseline in the Prospective Urban Rural Epidemiology (PURE) study.

DESIGN, SETTING, AND PARTICIPANTS:

A cross-sectional study of 153,996 adults (complete data for this analysis on 142,042) aged 35 to 70 years, recruited between January 2003 and December 2009. Participants were from 628 communities in 3 high-income countries (HIC), 10 upper-middle-income and low-middle-income countries (UMIC and LMIC), and 4 low-income countries (LIC).

MAIN OUTCOMES AND MEASURES:

Hypertension was defined as individuals with self-reported treated hypertension or with an average of 2 blood pressure measurements of at least 140/90 mm Hg using an automated digital device. Awareness was based on self-reports, treatment was based on the regular use of blood pressure-lowering medications, and control was defined as individuals with blood pressure lower than 140/90 mm Hg.

RESULTS:

Among the 142,042 participants, 57,840 (40.8%; 95% CI, 40.5%-41.0%) had hypertension and 26,877 (46.5%; 95% CI, 46.1%-46.9%) were aware of the diagnosis. Of those who were aware of the diagnosis, the majority (23,510 [87.5%; 95% CI, 87.1%-87.9%] of those who were aware) were receiving pharmacological treatments, but only a minority of those receiving treatment were controlled (7634 [32.5%; 95% CI, 31.9%-33.1%]). Overall, 30.8%, 95% CI, 30.2%-31.4% of treated patients were taking 2 or more types of blood pressure-lowering medications. The percentages aware (49.0% [95% CI, 47.8%-50.3%] in HICs, 52.5% [95% CI, 51.8%-53.2%] in UMICs, 43.6% [95% CI, 42.9%-44.2%] in LMICs, and 40.8% [95% CI, 39.9%-41.8%] in LICs) and treated (46.7% [95% CI, 45.5%-47.9%] in HICs, 48.3%, [95% CI, 47.6%-49.1%] in UMICs, 36.9%, [95% CI, 36.3%-37.6%] in LMICs, and 31.7% [95% CI, 30.8%-32.6%] in LICs) were lower in LICs compared with all other countries for awareness (P <.001) and treatment (P <.001). Awareness, treatment, and control of hypertension were higher in urban communities compared with rural ones in LICs (urban vs rural, P <.001) and LMICs (urban vs rural, P <.001), but similar for other countries. Low education was associated with lower rates of awareness, treatment, and control in LICs, but not in other countries.

CONCLUSIONS AND RELEVANCE:

Among a multinational study population, 46.5% of participants with hypertension were aware of the diagnosis, with blood pressure control among 32.5% of those being treated. These findings suggest substantial room for improvement in hypertension diagnosis and treatment.

Comment in

PMID:
24002282
[PubMed - indexed for MEDLINE]
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