Table 2 Risk factors in various degrees of HAH
Headache Cases(n) | HAH-(212) | HAH+(581) | HAH intensities | p(HAH+ vs. HAH-) | ||
|---|---|---|---|---|---|---|
1(487) | 2(88) | 3(6) | ||||
Demographic factors | ||||||
Age | 22.49±3.42 | 23.23±4.18 | 23.17±4.12 | 23.51±4.20 | 24.64±3.67 | 0.011 |
BMI | 21.71±2.52 | 21.92±2.84 | 21.91±2.91 | 21.86±2.50 | 23.34±2.47 | 0.351 |
Smoking | 0.740 | |||||
0 | 43(20.3) | 161(27.7) | 139(28.5) | 22(25.0) | 0(0) | |
1 | 133(62.7) | 287(49.4) | 240(49.3) | 43(48.9) | 4(66.7) | |
2 | 36(17.0) | 133(22.9) | 108(22.2) | 23(26.1) | 2(33.3) | |
Alcohol consumption | 0.748 | |||||
0 | 72(34.0) | 215(37.0) | 182(37.4) | 32(36.4) | 1(16.7) | |
1 | 16(7.5) | 26(4.5) | 23(4.7) | 3(3.4) | 0(0) | |
2 | 124(58.5) | 340(58.5) | 282(57.9) | 53(60.2) | 5(83.3) | |
History | ||||||
Primary headache(yes) | 12(5.7) | 124(21.3) | 86(17.7) | 34(38.6) | 4(66.7) | <0.001 |
High altitude exposure (yes) | 64(30.2) | 156(26.9) | 127(26.1) | 24(27.3) | 5(83.3) | 0.353 |
Athletic training(yes) | 23(10.8) | 72(12.4) | 56(11.5) | 16(18.2) | 0(0) | 0.554 |
PLI | 0.044 | |||||
1 | 45(21.2) | 156(26.8) | 132(27.1) | 23(26.1) | 1(16.7) | |
2 | 103(48.6) | 284(48.9) | 232(47.6) | 49(55.7) | 3(50.0) | |
3 | 64(30.2) | 141(24.3) | 123(25.3) | 16(18.2) | 2(33.3) | |
At 3700 m | ||||||
Psychological scale | ||||||
SAS | 22(4) | 24(6) | 24(5) | 27(10) | 28.5(8.75) | <0.001 |
Physiological factors | ||||||
SBP | 118.50±11.04 | 119.23±12.55 | 119.04±12.53 | 120.47±12.88 | 115.83±8.47 | 0.458 |
DBP | 78.57±10.03 | 79.02±10.26 | 78.92±10.22 | 79.72±10.60 | 76.33±8.96 | 0.582 |
ΔBPBP | 39.93±7.13 | 40.21±8.38 | 40.12±8.29 | 40.75±9.06 | 39.50±5.17 | 0.672 |
MAP | 91.88±9.82 | 92.42±10.35 | 92.30±10.33 | 93.30±10.58 | 89.50±8.46 | 0.508 |
SaO2 | 89.41±2.74 | 88.54±3.27 | 88.67±3.24 | 87.82±3.38 | 87.83±3.06 | 0.001 |
HR | 82.49±11.69 | 85.66±12.76 | 85.13±12.39 | 88.22±13.76 | 90.50±22.23 | 0.002 |
Sleep | ||||||
Insomnia(yes) | 95(44.8) | 393(67.6) | 312(64.1) | 76(86.4) | 5(83.3) | <0.001 |
ESS | 11(4.5) | 12(5) | 12(5) | 14(5) | 12(7.25) | <0.001 |