| Age group (y) |
| 16-20 | 21-40 | 41-60 | >60 |
|---|
| PV S/D ratio |
| 0.82 ± 0.18 (0.46-1.18) | 0.98 ± 0.32 (0.34-1.62) | 1.21 ± 0.2 (0.81-1.61) | 1.39 ± 0.47 (0.45-2.33) |
| PV Ar (cm/s) |
| 16 ± 10 (1-36) | 21 ± 8 (5-37) | 23 ± 3 (17-29) | 25 ± 9 (11-39) |
| PV Ar duration (ms) |
| 66 ± 39 (1-144) | 96 ± 33 (30-162) | 112 ± 15 (82-142) | 113 ± 30 (53-173) |