Table 7.
Summary of unadjusted mortality, by climb characteristics
| Variable | No (%) of deaths | No of climbs |
|---|---|---|
| Expedition number | ||
| 1 | 348 (1.5) | 23 420 |
| 2-4 | 166 (1.5) | 11 363 |
| 5-9 | 49 (1.6) | 2998 |
| ≥10 | 16 (1.5) | 1225 |
| Unknown | 0 | 32 |
| Commercial status | ||
| Traditional | 524 (1.7) | 31 083 |
| Commercial | 55 (0.7) | 7955 |
| Route | ||
| Non-standard | 330 (1.9) | 17 356 |
| Standard | 249 (1.2) | 21 682 |
| Peak | ||
| Annapurna I | 48 (4.0) | 1199 |
| Cho Oyu | 29 (0.5) | 5687 |
| Dhaulagiri I | 45 (2.7) | 1667 |
| Everest | 136 (1.5) | 9335 |
| Kangchenjunga | 29 (2.8) | 1033 |
| Lhotse | 22 (1.7) | 1323 |
| Makalu | 24 (1.7) | 1426 |
| Manaslu | 47 (2.9) | 1625 |
| Altitude of peak (m) | ||
| ≥8000 | 380 (1.6) | 23 295 |
| 7000-7999 | 145 (1.7) | 8371 |
| ≤6999 | 54 (0.7) | 7372 |
| Age of climber (years) | ||
| ≤19 | 3 (1.6) | 190 |
| 20-29 | 164 (1.7) | 9745 |
| 30-39 | 237 (1.6) | 15 113 |
| 40-49 | 103 (1.2) | 8827 |
| 50-59 | 34 (1.0) | 3319 |
| ≥60 | 10 (1.1) | 912 |
| Unknown | 28 (3.0) | 932 |
| Season | ||
| Spring | 275 (1.5) | 17 827 |
| Summer | 1 (0.3) | 378 |
| Autumn | 273 (1.4) | 19 291 |
| Winter | 30 (2.0) | 1542 |
| Sex of climber | ||
| Male | 545 (1.5) | 35 450 |
| Female | 34 (1.0) | 3587 |
| Unknown | 0 | 1 |
| Summit success | ||
| No | 415 (1.6) | 26 792 |
| Yes | 164 (1.3) | 12 246 |
| Decade of climb | ||
| 1970s | 91 (3.0) | 3080 |
| 1980s | 192 (2.2) | 8574 |
| 1990s | 150 (1.3) | 11 269 |
| 2000s | 134 (0.9) | 15 320 |