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Baseline clinical characteristics of the subjects
| Parameters | Subjects(n=40) | Group A (Sildenafil) (n=20) | Group B (Amlodipine)(n=20) | Group A vs. B(p-value) |
|---|---|---|---|---|
| Age, mean ± SD | 61.6 ± 7.8 | 60.2 ± 6.9 | 63.0 ± 8.5 | 0.26 |
| Gender (M:F) | 31:9 | 16:4 | 15:5 | 1.00 |
| Smoking (N:Y) | 17:23 | 9:11 | 8:12 | 0.75 |
| Systolic PAP (mmHg)* | 60.5 ± 12.3 | 58.0 ± 11.8 | 63.0 ± 12.5 | 0.15 |
| NT – proBNP(pg/mL)* | 1477.5 ± 957.0 | 1297.5 ± 912.8 | 1657.4 ± 989.1 | 0.23 |
*mean ± SD
