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Table 5 Multivariate Cox Regression predicting 30-day mortality including RVFWLS

From: Right ventricular free wall longitudinal strain is independently associated with mortality in mechanically ventilated patients with COVID-19

Cox regression predicting 30-day mortality adjusting for remaining variables in table

 

HR (95% CI)

p value

Abnormal RVFWLS (> −20%)

2.22 (1.14, 4.39)

0.020

Age in years (per 1 year increase)

1.06 (1.01, 1.10)

0.009

Female Gender

0.86 (0.44, 1.71)

0.674

Non-white ethnicity

1.00 (0.28, 3.60)

0.994

APACHE II score on admission to ICU (per 1-score increase)

1.06 (1.00, 1.11)

0.040

Time from intubation to date of echo, in days (per 1 day increase)

0.91 (0.81, 1.03)

0.123

  1. N = 89
  2. RVFWLS Right Ventricular Free-wall Longitudinal Strain, APACHE Acute Physiology And Chronic Health Evaluation, HR Hazard Ratio