Table 1 Eligible patients, response rates, and reasons for drop out throughout the study
Varicose veins | Inguinal hernia | Gallstones | |||||||
|---|---|---|---|---|---|---|---|---|---|
n | % | (%) | n | % | (%) | n | % | (%) | |
Eligible | 667 | 100 | 748 | 100 | 512 | 100 | |||
Informed consent | 270 | 40.5 | 342 | 45.7 | 207 | 40.4 | |||
Preoperative response (valid) | 176 | 26.4 | (100) | 201 | 26.9 | (100) | 128 | 25.0 | (100) |
Surgery not in original hospital | 11 | (6.3) | 20 | (10.0) | 9 | (7.0) | |||
Postoperative q. not returned | 31 | (15.3) | 29 | (11.9) | 21 | (10.9) | |||
Postoperative response (valid) | 134 | (76.1) | 152 | (75.6) | 98 | (76.6) | |||