|  | Total (N = 9967) | Omeprazole (N = 7888) | Other drugs (N = 2079) |
---|---|---|---|---|
Intensity (%) | Â | Â | Â | Â |
 | Mild | 4235 (42.5) | 3127 (39.6) | 1108 (53.3) |
 | Moderate | 5273 (52.9) | 4351 (55.2) | 922 (44.4) |
 | Severe | 459 (4.6) | 410 (5.2) | 49 (2.4) |
Frequency (%) | Â | Â | Â | Â |
 | Not specified | 14 (0.1) | 10 (0.1) | 4 (0.2) |
 | 1 day | 161 (1.6) | 124 (1.6) | 37 (1.8) |
 | 2 days | 1348 (13.5) | 993 (12.6) | 355 (17.1) |
 | 3 days | 1964 (19.7) | 1528 (19.4) | 436 (21.0) |
 | 4 days | 1124 (11.3) | 892 (11.3) | 232 (11.2) |
 | 5 days | 1230 (12.3) | 984 (12.5) | 246 (11.8) |
 | 6 days | 327 (3.3) | 271 (3.4) | 56 (2.7) |
 | 7 days | 3799 (38.1) | 3086 (39.1) | 713 (34.3) |
 | Mean ± SD | 4.8 ± 2.0 | 4.9 ± 2.0 | 4.6 ± 2.0 |