Table 2.
The Incidence of Acute Mountain Sickness and Acute Mountain Sickness Symptoms Reported by All Climbers (n = 356)
| Day 1 |
Day 2 |
|||
|---|---|---|---|---|
| n (%) | 95% CI | n (%) | 95% CI | |
| AMS incidence (LLS ≥3) | 85 (23.9) | 19.5%–28.7% | 77 (21.7) | 17.5%–26.3% |
| Mild | 71 (20.0) | 59 (16.6) | ||
| Moderate | 14 (3.9) | 17 (4.8) | ||
| Severe | 0 (0) | 1 (0.3) | ||
| Fatigue symptoma | 275 (77.3) | 72.5%–81.5% | 253 (71.1) | 66.0%–75.7% |
| Mild | 164 (46.1) | 146 (41.0) | ||
| Moderate | 101 (28.4) | 96 (27.0) | ||
| Incapacitating | 10 (2.8) | 11 (3.1) | ||
| Headache symptoma | 131 (36.7) | 31.8%–42.0% | 112 (31.5) | 26.7%–36.6% |
| Mild | 107 (30.1) | 86 (24.2) | ||
| Moderate | 22 (6.2) | 24 (6.7) | ||
| Incapacitating | 2 (0.5) | 2 (0.6) | ||
| Dizziness symptoma | 106 (29.8) | 25.1%–34.8% | 90 (25.3) | 20.8%–30.1% |
| Mild | 92 (25.8) | 77 (21.6) | ||
| Moderate | 14 (4.0) | 13 (3.7) | ||
| Incapacitating | 0 (0) | 0 (0) | ||
| Gastrointestinal symptoma | 45 (12.7) | 9.4%–16.5% | 51 (14.4) | 10.8%–18.4% |
| Mild | 33 (9.3) | 39 (11.0) | ||
| Moderate | 6 (1.7) | 7 (2.0) | ||
| Incapacitating | 6 (1.7) | 5 (1.4) | ||
a
Symptoms reported by all climbers, not limited to AMS sufferers only.
CI, confidence interval; LLS, Lake Louise Score of AMS.