Table 4 Multivariate analysis of 9G profile training tolerance performed with logistic regression.

From: Combined effect of heart rate responses and the anti-G straining manoeuvre effectiveness on G tolerance in a human centrifuge

Variables

Qualified (N = 428)

Disqualified (N = 102)

Adjusted OR (95% CI)

P value

Age (year)

25.35 ± 0.97

26.40 ± 1.74

1.99 (1.61–2.46)

 < 0.001

BMI (kg/m2); n (%)

≥ 21

375 (87.62%)

78 (76.48%)

Ref

 

< 21

53 (12.38%)

24 (23.52%)

2.02 (1.12–3.64)

0.020

AGSM effectiveness (G); N (%)

≥ 2.5

303 (70.79%)

52 (50.98%)

Ref

 

< 2.5

125 (29.21%)

50 (49.02%)

2.14 (1.33–3.45)

0.002

HR increase ratio✽; N (%)

≥ 20%

175 (40.89%)

28 (27.45%)

Ref

 

< 20%

253 (59.11%)

74 (72.55%)

1.83 (1.09–3.07)

0.023

  1. N number, BMI body mass index, AGSM anti-G straining manoeuvre, HR heart rate, OR odds ratio, CI confidence interval.
  2. *Maximal HR during the initial 1–5 s of the 9G profile divided by HR before the 9G profile.
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