The Himalaya by the Numbers: A Statistical Analysis - Himalayan ...

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8 7 6 5 4 3 2 1 0 3.04 0.0 LSHR (0/97) 1.07 0.18 LHOT (1/592) 160 Appendix B 1.28 0.33 0.77 CHOY (9/1366) Deadliest 8000m Peaks for Hired (1950-2006) (Adjusted Wald 95% Confidence Intervals) 1.41 0.87 1.11 EVER (67/6033) Chart D-9: Hired death rates for 8000m peaks with 75+ hired above base camp from 1950-2006 Hired Above BC 1.59 1.15 1.35 All 8000ers (143/10573) Death Count Survival Count Death Rate 95% Confidence Interval Yates' Chi Square Lower Upper p-value Lhotse Shar 97 0 97 0.00 0.00 3.04 0.473 Lhotse 592 1 591 0.17 0.00 1.07 0.017 Cho Oyu 1366 9 1357 0.66 0.33 1.28 0.024 Everest 6033 67 5966 1.11 0.87 1.41 0.016 All 8000ers 10573 143 10430 1.35 1.15 1.59 4.10 0.88 Kangchenjunga 357 7 350 1.96 0.88 4.10 0.436 Yalung Kang 102 2 100 1.96 0.15 7.40 0.916 Makalu 516 12 504 2.33 1.30 4.08 0.077 Manaslu 510 13 497 2.55 1.46 4.37 0.021 Dhaulagiri I 478 15 463 3.14 1.88 5.17 0.001 Annapurna I 397 15 382 3.78 2.27 6.21
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 1.77 1.51 1.64 All Seasons 571/34920(M) Member Death Rates by Seasons for All Peaks (1950-2006) (Adjusted Wald 95% Confidence Intervals) 1.92 1.51 Chart D-11a: Member death rates by climbing season for all peaks from 1950-2006 (the death rate is above the column bar; the death and above BC counts are below) Members Above BC 1.70 Spring 270/15865(M) Death Count Survival Count Death Rate 95% Confidence Interval Yates' Chi Square Lower Upper p-value All Seasons 34920 571 34349 1.64 1.51 1.77 1.99 Spring 15865 270 15595 1.70 1.51 1.92 0.393 Summer 316 1 315 0.32 0.00 1.99 0.102 Autumn 17264 270 16994 1.56 1.39 1.76 0.319 Winter 1475 30 1445 2.03 1.42 2.91 0.259 Table D-11a: Member death rates by climbing season for all peaks from 1950-2006 (the death rate is above the column bar; the death and above BC counts are below) 0.32 0.00 Summer 1/316(M) 1.76 1.39 1.56 Autumn 270/17264(M) 2.91 1.42 2.03 Winter 30/1475(M) Appendix B 161
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The Himalaya by the Numbers A Stati
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Contents Introduction . . . . . . .
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the first north-south traverses. Th
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in the charts, 2 or 3-period moving
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400 300 200 100 0 2000 1800 1600 14
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2000 1800 1600 1400 1200 1000 800 6
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government starting in 1997 opened
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500 450 400 350 300 250 200 150 100
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them. In fact during the late 1980s
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During the 1960s and early 1970s, e
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250 200 150 100 50 0 250 200 150 10
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100 75 50 25 0 1970 1971 1972 1973
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a few brave and hardy souls are wil
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900 800 700 600 500 400 300 200 100
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Charts C-7a-c show the seasonal pat
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1000 800 600 400 200 100 80 60 40 2
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closeness of the Himalaya. Many Jap
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For all peaks, the average team mem
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Periodically, massive storms fueled
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40 Analysis of Climbing Activity
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three most popular peaks, Ama Dabla
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60 50 40 30 20 10 0 11.7 ANN1 (121/
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40 35 30 25 20 15 10 5 0 7.7 11.7 T
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70 60 50 40 30 20 10 0 40 35 30 25
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The results indicate that the sprin
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70 60 50 40 30 20 10 0 30 25 20 15
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70 60 50 40 30 20 10 0 70 60 50 40
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40 35 30 25 20 15 10 5 0 80 70 60 5
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100 60 50 40 30 20 10 90 80 70 60 5
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Ascents by Citizenship Table A-24 s
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Ascents by Gender Table and Chart A
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60 50 40 30 20 10 0 Chart A-27: Asc
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had a hard time making her own plat
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60 55 50 45 40 35 30 25 20 15 10 5
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900 800 700 600 500 400 300 200 100
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60 50 40 30 20 10 0 80 70 60 50 40
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70 60 50 40 30 20 10 0 60 50 40 30
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Peak ID Peak Name Height Region 76
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Members have higher percentage of a
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considerable effort through deep sn
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3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 2.5
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3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0 The
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Deadliest Peaks for Members The nex
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when five Austrians and their Sherp
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10 9 8 7 6 5 4 3 2 1 0 4.5 4.0 3.5
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days in 1975 (the first verified as
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Whether significant or not, the dea
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and higher spring death rates on Ma
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of an autumn 1992 Makalu II expedit
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a climb. For hired, falls were the
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Summit and the Hillary Step (9 of 2
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summer season as very few climbers
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2.5 2.0 1.5 1.0 0.5 0.0 106 Death A
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100 20 18 16 14 12 10 90 80 70 60 5
Page 112 and 113: Deaths by Falling While avalanching
Page 114 and 115: 10 9 8 7 6 5 4 3 2 1 0 16 14 12 10
Page 116 and 117: Time of Day All Peaks 6000ers All F
Page 118 and 119: Deaths by Physiological Causes Phys
Page 120 and 121: Deaths by Age Groups Table and Char
Page 122 and 123: Deaths by Expedition Years Chart D-
Page 124 and 125: All Peaks Everest Citizenship Above
Page 126 and 127: 2.5 2.0 1.5 1.0 0.5 0.0 10.0 9.0 8.
Page 128 and 129: Table and Chart D-42 below show mem
Page 130 and 131: Table and Chart D-44 below show mem
Page 132 and 133: Everest, Spring 1996 A total of eig
Page 134 and 135: On the evening of 6th it started to
Page 136 and 137: camp at 7500m but there was nothing
Page 138 and 139: Peak ID Peak Name 136 Appendix A Al
Page 148 and 149: 146 Appendix A
Page 150 and 151: In Chart D-4, the sample sizes are
Page 152 and 153: 90 80 70 60 50 40 30 20 10 0 32.2 2
Page 154 and 155: 45 40 35 30 25 20 15 10 5 0 11.9 4.
Page 156 and 157: 6 5 4 3 2 1 0 1.16 0.43 0.13 BARU (
Page 158 and 159: 16 14 12 10 8 6 4 2 0 2.42 1.80 700
Page 160 and 161: 30 25 20 15 10 5 0 1.29 0.09 0.41 1
Page 164: 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0
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