Table 1.
Demographics by study
| Effect of gender (UK) | Effect of age (Germany) | Effect of diabetes mellitus (Belgium) | Effect of renal impairment (Poland) | Effect of hepatic impairment (Germany) | Effect of renal dialysis (Poland and UK) | |
|---|---|---|---|---|---|---|
| Number of subjects | 24 | 24 (12 young, 12 elderly) | 24 (12 healthy) | 28 (12 healthy) | 33 (8 healthy) | 16 |
| Males/females | 12/12 | 24/0 | 18/6 | 25/3 | 21/12 | 13/3 |
| Mean age (years) ± SD (range) | Males: 38 ± 6.8 | Young: 36.3 ± 7.8 (19–45) | 42.1 ± 10.4 (27–59) | 47.7 ± 9.6 (30–65) | 43.3 ± 10.3 (25–63) | 48.1 ± 13.2 (28–74) |
| Females: 45 ± 10.8 | Elderly: 70.7 ± 3.9 (65–78) | |||||
| Tadalafil dose | 10 mg | 10 mg | 10 mg | 5 and 10 mg | 10 mg | 5, 10 and 20 mg |
SD, Standard deviation.