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Table 3 Relationship between BMI groups and mortality

From: Age moderates the relationships between obesity, glucose variability, and intensive care unit mortality: a retrospective cohort study

 

Unadjusted model

Adjusted model

Adjusted model with interaction

OR (95% CIs)

p value

OR (95% CIs)

p value

OR (95% CIs)

p value

Age

1.02 [1.01, 1.03]

 < 0.001***

1.00 [0.98, 1.02]

0.982

Sex (female)

0.74 [0.54, 1.01]

0.058

0.74 [0.54, 1.02]

0.064

Cholesterol

0.97 [0.87, 1.08]

0.598

0.96 [0.87, 1.07]

0.477

APACHE II score

1.10 [1.08, 1.13]

 < 0.001***

1.10 [1.08, 1.13]

 < 0.001***

Diabetes mellitus

0.76 [0.53, 1.08]

0.124

0.77 [0.54, 1.10]

0.144

Mean glucose level

1.08 [0.99, 1.17]

0.090

1.07 [0.99, 1.17]

0.101

Use of corticosteroids

3.61 [2.64, 4.93]

 < 0.001***

3.65 [2.66, 5.01]

 < 0.001***

BMI

      

 Underweight

2.69 [1.75, 4.15]

 < 0.001***

2.38 [1.43, 3.95]

 < 0.001***

0.34 [0.03, 3.45]

0.364

 Normal weight

1.52 [1.08, 2.13]

0.015*

1.29 [0.88, 1.89]

0.185

0.21 [0.03, 1.28]

0.091

 Obese

1.27 [0.77, 2.10]

0.356

1.08 [0.61, 1.90]

0.790

0.85 [0.07, 11.11]

0.903

BMI × age interaction

      

 Underweight

1.03 [0.995, 1.07]

0.089

 Normal weight

1.03 [1.001, 1.06]

0.045*

 Obese

1.00 [0.96, 1.05]

0.868

  1. BMI body mass index; APACHE II Acute Physiology and Chronic Health Evaluation II
  2. *p < 0.05, **p < 0.01, ***p < 0.001