Table 7.
Frequencies of drug-related adverse events by type
| Overall | Group A | Group B | Group C | |||||
|---|---|---|---|---|---|---|---|---|
| n = 114 | n = 36 | n = 38 | n = 40 | |||||
| Tadalafil | Placebo | Tadalafil | Placebo | Tadalafil | Placebo | Tadalafil | Placebo | |
| Headache | 23 (41) | 4 (6) | 25 (12) | 3 (1) | 21 (16) | 8 (4) | 23 (13) | 3 (1) |
| Myalgia | 10 (18) | 2 (3) | 14 (9) | 0 | 11 (7) | 0 | 5 (2) | 5 (3) |
| Back pain | 11 (16) | 0 | 8 (3) | 0 | 11 (6) | 0 | 13 (7) | 0 |
| Flushing | 7 (9) | 0 | 8 (1) | 0 | 5 (3) | 0 | 8 (3) | 0 |
| Dyspepsia | 4 (8) | 0 | 3 (1) | 0 | 3 (1) | 0 | 8 (6) | 0 |
Percentage of subjects with adverse event (number of adverse events).