Table 1 Recruitment strategy and efficacy of hypertension patients across Estonia
From: HYPEST study: profile of hypertensive patients in Estonia
North-Estonian Regional Hospitala | University of Tartu Clinicsb | All | |||||||
|---|---|---|---|---|---|---|---|---|---|
Recruitment stage | Invited (n) | Agreed (n) | Responded (%) | Invited (n) | Agreed (n) | Responded (%) | Invited (n) | Agreed (n) | Responded (%) |
Information and consent letters | |||||||||
total | 1221 | 590 | 48.3 | 1162 | 516 | 44.4 | 2383 | 1106 | 46.4 |
men | 509 | 251 | 49.3 | 468 | 172 | 36.8 | 977 | 424 | 43.4 |
women | 712 | 339 | 47.6 | 694 | 344 | 49.6 | 1406 | 682 | 48.5 |
Epidemiological questionnaires | |||||||||
total | 590 | 510 | 86.4 | 516 | 497 | 96.3 | 1106 | 1007 | 91.1 |
men | 251 | 232 | 92.4 | 172 | 160 | 93.0 | 424 | 390 | 92.0 |
women | 339 | 278 | 82.0 | 344 | 337 | 98.0 | 682 | 617 | 90.5 |
Blood serum samples | |||||||||
total | 510 | 398 | 78.0 | 497 | 358 | 72.0 | 1007 | 756 | 75.1 |
men | 232 | 174 | 75.0 | 160 | 100 | 62.5 | 390 | 273 | 70.0 |
women | 278 | 222 | 80.6 | 337 | 261 | 77.4 | 617 | 484 | 78.4 |