Table 3.
Patient attribution accuracy of symptoms as side-effects of drugs.
| Drug | Frequency of yes criteria* (%) | Frequency of no criteria** (%) | Total (%) |
|---|---|---|---|
| Venlafaxine | 2067 (76.6%) | 633 (23.4%) | 2700 (100%) |
| Nefazodone | 408 (60.3%) | 269 (39.7%) | 677 (100%) |
| Citalopram | 303 (84.6%) | 55 (15.4%) | 358 (100%) |
| Moclobemide | 80 (77.7%) | 23 (22.3%) | 103 (100%) |
| Gabapentin | 387 (67.3%) | 188 (32.7%) | 575 (100%) |
| Lamotrigine | 70 (59.8%) | 47 (40.2%) | 117 (100%) |
| Topiramate | 32 (54.2%) | 27 (45.8%) | 59 (100%) |
| Tramadol | 1567 (67.2%) | 766 (32.8%) | 2333 (100%) |
| Fentanyl patch | 68 (72.3%) | 26 (27.7%) | 94 (100%) |
| Total | 4982 (71.0%) | 2034 (29.0%) | 7016 (100%) |
*
yes criteria = reported symptoms potentially related to index drugs (probable/possible)
**
no criteria = reported symptoms not likely to be related to index drugs (unlikely/unattributable).