Variables | Number of cases, n | N | Prevalence, % (95%CI) | P value |
---|---|---|---|---|
Category of age, n (%) | 0.001a | |||
  < 18 years | 5 | 757 | 0.66 (0.21–1.53) | |
  > =18 years | 195 | 7936 | 2.46 (2.13–2.82) | |
Hospital department, n (%) | < 0.001a | |||
 Gynecology & obstetrics | 195 | 4163 | 4.68 (4.06–5.37) |  |
 Surgery | 2 | 1266 | 0.16 (0.019–0.57) | |
 Medical department | 1 | 2362 | 0.042 (0.0011–0.24) | |
 Emergency | 0 | 573 | 0 (0–0.64) | |
 Pediatrics | 2 | 374 | 0.53 (0.065–1.92) | |
Center, n (%) | < 0.001b | |||
 Geneva | 111 | 2390 | 4.64 (3.84–5.57) | < 0.001b |
 Lausanne | 35 | 1218 | 2.87 (2.01–3.97) | |
 Bern | 32 | 4388 | 0.73 (0.50–1.03) | |
 Zürich | 22 | 742 | 2.96 (1.87–4.45) | |
Educational programme organised, n (%) | ||||
 Yes (Geneva, Lausanne) | 146 | 3608 | 4.05 (3.43–4.74) |  |
 No or unknown (Bern, Zürich) | 54 | 5130 | 1.05 (0.79–1.37) |