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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