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Table 2 Regression analyses of the risk for AMS in the entire cohort

From: Association between physiological responses after exercise at low altitude and acute mountain sickness upon ascent is sex-dependent

Variable

Univariate analysis

Multivariate analysis

OR (95% CI)

P-value

OR (95% CI)

P-value

Age

0.98 (0.93–1.03)

0.361

Not entered

 

Female sex

5.74 (2.23–14.78)

< 0.001

6.32 (2.25–17.74)

< 0.001

Height

0.92 (0.86–0.99)

0.023

–

 

Weight

0.95 (0.90–0.99)

0.016

–

 

Smoking

0.28 (0.12–0.67)

0.004

–

 

HR at rest

1.02 (0.99–1.06)

0.255

Not entered

 

SpO2 at rest

1.47 (1.06–2.03)

0.021

–

 

SBP at rest

1.00 (0.97–1.03)

0.936

Not entered

 

DBP at rest

1.00 (0.97–1.04)

0.856

Not entered

 

ΔeHR

0.98 (0.95–1.01)

0.231

Not entered

 

ΔeSpO2

0.83 (0.67–1.03)

0.091

0.63 (0.47–0.84)

0.002

ΔeSBP

1.00 (0.97–1.02)

0.778

Not entered

 

ΔeDBP

1.00 (0.97–1.03)

0.982

Not entered

 

ΔhHR

1.00 (0.97–1.03)

0.893

Not entered

 

ΔhSpO2

0.97 (0.88–1.07)

0.525

Not entered

 

ΔhSBP

0.97 (0.94–0.99)

0.016

0.96 (0.93–1.00)

0.029

ΔhDBP

0.97 (0.94–1.00)

0.059

–

 
  1. OR Odds ratio, 95% CI 95% confidence intervals, AMS Acute mountain sickness, BMI Body mass index, HR Heart rate, SpO2 Pulse oxygen saturation, SBP Systolic blood pressure, DBP Diastolic blood pressure, Δe Change after exercise testing, Δh Change after arriving at 4100 m