Table 5 Combined effect of HR increases and AGSM effectiveness.

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

Variables

AGSM effectiveness < 2.5G

AGSM effectiveness ≥ 2.5G

Adjusted OR (95% CI)

P value

Adjusted OR (95% CI)

P value

HR increase ratio*

≥ 20%

Ref

 

Ref

 

< 20%

2.93 (1.19–7.20)

0.019

1.26 (0.65–2.42)

0.493

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