Skip to main content

Table 1 Distribution of demographic data and clinical parameters between AMS and non-AMS

From: A specific objective supplemental factor in evaluating acute mountain sickness: ΔHR in combination with SaO2

Parameter

AEG (n = 752)

PAG (n = 267)

AMS (n = 461)

Non-AMS (n = 291)

P-value

AMS (n = 104)

Non-AMS (n = 163)

P-value

Age (year)

23.0 ± 3.9

22.8 ± 3.9

0.475

22.2 ± 2.5

21.8 ± 2.3

0.162

BMI (kg/m2)

21.7 ± 2.2

21.8 ± 2.0

0.496

21.2 ± 1.8

21.4 ± 2.6

0.303

Han/ethnicity (%)

87.0 %

88.3 %

0.856

87.7 %

88.9 %

0.737

Medicine use (%)

0 %

0 %

 

0 %

0 %

 

Smokers (%)

36.9 %

44.7 %

0.058

36.5 %

47.9 %

0.067

LLS

4.8 ± 1.7

1.6 ± 1.1

0.000

4.5 ± 1.6

1.2 ± 1.2

0.000

HR (pre-exposure)

65.7 ± 9.6

65.7 ± 9.6

0.978

75.6 ± 9.8

78.3 ± 10.6

0.091

HR (post-exposure)

86.5 ± 12.1a

82.2 ± 10.9a

0.003

86.8 ± 12.5a

85.1 ± 10.9a

0.487

HR (post-pre)

20.9 ± 11.7

16.6 ± 10.6

0.009

11.1 ± 12.0

6.9 ± 9.0

0.010

SaO2 (pre-exposure)

98.10 ± 1.00

98.12 ± 1.02

0.436

91.60 ± 2.31

91.82 ± 2.30

0.45

SaO2 (post-exposure)

88.35 ± 3.23a

89.38 ± 2.76a

0.008

86.52 ± 2.60a

87.67 ± 2.82a

0.007

SaO2 (pre-post)

9.75 ± 3.31

8.73 ± 2.89

0.008

5.08 ± 3.13

4.15 ± 2.86

0.010

  1. AMS Acute mountain sickness, AEG Acute exposure group, PAG Pre-acclimatization group, LLS Lake Louise Score, HR The difference of HR between pre-exposure and post-exposure, SaO 2 The difference of SaO2 between pre-exposure and post-exposure, Pre-post Pre-exposure minus post-exposure, Post-pre Post-exposure minus pre-exposure. a P < 0.01 compared with pre-exposure