Table 4 Logistic regression analysis results for predicting decrease in blood flow volume in left vertebral artery

From: Heterogeneous and lateralized cervical vascular responses to a 7-day head-down tilt bed rest

Variable

BFV- HDT 3 d

Coefficient

Standard Error

Wald χ２

OR (95%CI)

P value

Right vertebral artery dominance

4.083

1.830

4.977

59.314 (1.642–2142.886)

0.026

HR in HDT 3 d, BPM

0.306

0.150

4.157

1.358 (1.012–1.823)

0.041

MAP in HDT 3 d, mmHg

0.222

0.109

4.132

1.249 (1.008–1.547)

0.042

  1. 1 mmHg = 0.133 kPa.
  2. HR heart rate, MAP mean blood pressure, BPM beats per minute, HDT head-down tilt, d day, BFV blood flow volume, OR odds ratio, CI confidence interval.
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