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Table 2 Cox proportional hazard ratios (HR) for outcomes of critically ill patients with coronary heart disease

From: Low body temperature and mortality in critically ill patients with coronary heart disease: a retrospective analysis from MIMIC-IV database

Outcomes

Model 1

Model 2

Model 3

HR

95% CI

P-value

HR

95% CI

P-value

HR

95% CI

P-value

In-hospital mortality

 Hypothermia

1.37

1.14–1.63

 < 0.001

1.23

1.02–1.49

0.033

1.23

1.01–1.49

0.040

 Normothermia

1.00 (ref)

/

1.00 (ref)

/

1.00 (ref)

/

 Hyperthermia

2.95

2.40–3.63

 < 0.001

1.27

1.01–1.59

0.042

1.25

0.99–1.57

0.060

28-day mortality

 Hypothermia

1.40

1.22–1.61

 < 0.001

1.38

1.18–1.60

 < 0.001

1.38

1.19–1.61

 < 0.001

 Normothermia

1.00 (ref)

/

1.00 (ref)

/

1.00 (ref)

/

 Hyperthermia

2.54

2.12–3.05

 < 0.001

1.18

0.96–1.44

0.112

1.16

0.95–1.42

0.144

90-day mortality

 Hypothermia

1.38

1.22–1.56

 < 0.001

1.35

1.18–1.55

 < 0.001

1.36

1.19–1.56

 < 0.001

 Normothermia

1.00 (ref)

/

1.00 (ref)

/

1.00 (ref)

/

 Hyperthermia

2.22

1.88–2.64

 < 0.001

1.11

0.92–1.34

0.273

1.10

0.91–1.33

0.336