Table 1 Number and proportion of women responding to annual questionnaires by trial arm in the EPHT Trial, 1999–2004
From: Symptom reporting and quality of life in the Estonian Postmenopausal Hormone Therapy Trial
Trial arm | Recruitment N (%) | 1st year N (%) | 2nd year N (%) | Final N (%) |
|---|---|---|---|---|
Blind HT | 415 (100) | 315 (75.9) | 295 (71.1) | 329 (79.3) |
Blind placebo | 381 (100) | 278 (73.0) | 254 (66.7) | 308 (80.8) |
Non-blind HT | 503 (100) | 371 (73.8) | 340 (67.6) | 405 (80.5) |
Non-treatment | 524 (100) | 395 (75.4) | 374 (71.4) | 445 (84.9) |
Total | 1823 (100) | 1359 (74.6) | 1263 (69.3) | 1487 (81.4) |