Table 2 Age- and gender-specific mean and median values for autonomic function tests in 276 healthy participants.
From: Cardiovascular autonomic function tests in an African population
Variable | Category | Resting HR (bpm) | HR variation to deep breathing (bpm) | HR response to standing (bpm) | Postural change in SBP (mmHg) | Postural change in DBP (mmHg) |
|---|---|---|---|---|---|---|
Mean (SD) Median (range) | ||||||
Age groups (years) | 20–29 (n = 71) | 67 (11) 65 (50.101) | 23 (7) 23 (8.41) | 26 (8) 26 (5.48) | -3 (7) -3 (-26.12) | 8 (7) 9 (-8.23) |
30–39 (n = 72) | 66 (13) 63 (40.107) | 19 (6) 19 (335) | 24 (9) 25 (9.48) | -3 (7) -3 (-20.19) | 9 (7) 10 (-8.25) | |
40–49 (n = 65) | 66 (12) 63 (44.104) | 18 (6) 17 (7.36) | 24 (9) 23 (6.41) | -2 (7) -1 (-17.15) | 10 (6) 10 (-4.27) | |
50–59 (n = 39) | 70 (13) 69 (52.98) | 15 (5) 15 (4.26) | 22 (7) 21 (11.37) | -4 (8) -3 (-25.14) | 9 (7) 10 (-7.22) | |
60+ (n = 29) | 71 (13) 69 (50.108) | 15 (6) 14 (6.33) | 19 (8) 16 (10.42) | -6 (11) -7 (-29.18) | 7 (7) 7 (-9.23) | |
p (Kruskal-Wallis test) | 0.190 | < 0.001 | 0.001 | 0.116 | 0.225 | |
Gender | Men (n = 156) | 65 (12) 63 (40.108) | 20 (7) 20 (4.41) | 24 (8) 24 (9.48) | -3 (8) -3 (-29.17) | 10 (7) 11 (-8.23) |
Women (n = 120) | 70 (13) 68 (49.107) | 18 (6) 17 (3.36) | 23 (9) 22 (6.48) | -4(8) -3 (-27.19) | 7 (7) 8 (-8.23) | |
p (Mann-Whitney U-test) | 0.001 | 0.033 | 0.244 | 0.187 | 0.001 | |
All ages (n = 276) | 67 (13) 65 (40,108) | 19 (7) 18 (3.41) | 24 (9) 23 (6.48) | -3 (8) -3 (-29.19) | 9 (7) 9 (-9.27) | |