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Table 5 Results of the sub-distribution Hazard ratio (sHR) of baseline lymphocyte count and its evolution at day 3 for the risk of 28-day ICU mortality (adjusted with the covariates used in the propensity score of dying before day 28 using an IPTW estimator; see Additional file 2)

From: Persistent lymphopenia is a risk factor for ICU-acquired infections and for death in ICU patients with sustained hypotension at admission

Variables

sHR

IC-95

p value

Baseline lymphocyte count categorized in 4 classes

   

0.15

 Normal value ≥1.5 × 103 cells/µL

Reference

 

 Subnormal class (<1.5 and ≥ 1 × 103 cells/µL)

0.84

0.658

1.08

0.176

 Low class (<1 × 103 cells/µL and ≥0.5 × 103 cells/µL)

1.09

0.891

1.36

0.377

 Very low class (<0.5 × 103 cells/µL)

0.99

0.773

1.28

0.969

 Non-significant increase (below 0.2 × 103 cells/µL) at day 3 and abnormal value

1.67

1.37

2.03

<0.0001