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Table 4 Multivariate survival analysis a

From: Effect of admission time on mortality in an intensive care unit in Mainland China: a propensity score matching analysis

Variables

P

OR

95% CI for HR

   

Lower

Upper

Age (years)

0.199

1.008

0.996

1.021

Gender (female/male)

0.997

0.999

0.648

1.542

Source (medical/surgical)

0.153

1.408

0.880

2.251

Emergency admission (yes/no)

0.254

1.270

0.842

1.914

Transfusion (no/yes)

0.541

0.878

0.578

1.333

Mechanical ventilation (no/NIV/intubation/tracheotomy)

0.060

0.829

0.682

1.008

Admission day (weekday/weekend)

0.198

0.724

0.443

1.183

Admission time (NT/OH)

0.010

1.725

1.118

2.744

APACHE II score (>8/≤8)

<0.001

1.113

1.082

1.145

  1. aAPACHE II, Acute Physiology and Chronic Health Evaluation II; CI, confidence interval; HR, hazard ratio; NIV, noninvasive ventilation; NT, nighttime; OH, office hours; OR, odds ratio. All P values were calculated using the Cox proportional hazards regression model.