Table 2.
Comparision of the parameters for HRV in the subjects
| Resting | Recovering | |||
|---|---|---|---|---|
| Variable | Highlanders | Lowlanders | Highlanders | Lowlanders |
| Time domain | ||||
| SDNNb | 56.6(43–71.9) | 50.8(35.1–80.7) | 80.3(54.2–99.8) | 62.7 (50.7–79) |
| RMSSDc | 47.3 (36.5–69) | 37.9 (31.6–81.6) | 48 (32.6–85.6) | 32.2 (23.5–53.3) |
| NN50c | 63 (36–142) | 63 (32–115) | 81 (35–138) | 27(11–75) |
| pNN50%c | 17.6(8.9-41.3) | 18 (9–39) | 22 (9.6–40.4) | 6.3 (2.3–17.4) |
| Frequency domain | ||||
| LF powera | 720 (450–1162) | 763 (328–1262) | 758 (446–2005) | 383 (182–740) |
| HF powerc | 684(273–1268) | 498 (278–1035) | 487 (206–2048) | 208 (63–798) |
| LF | 56.1 (43.3–62.9) | 54.5 (37.9–69.5) | 56.7 (46.7–74.5) | 63.9 (46.8–75.9) |
| HF | 43.9 (37.1–56.7) | 45.5 (30.5–62.1) | 43.3 (25.5–53.3) | 36.1 (24.1–53.2) |
| Total powera | 2659(1397–4528) | 2199(1453-6124) | 3662 (2232–6380) | 1862 (860–3699) |
| LF/HFb | 1.28 (0.76–1.69) | 1.30 (0.71–2.28) | 1.18 (.87–2.92) | 1.77 (0.88–3.14) |
asignificant different in HRV during recovery between highlanders and lowlanders
bsignificant different in highlanders between resting and recovery
csignificant different in lowlanders between resting and recovery
Bold numbers indicate that the values are statistically significant