Table 4 The relationship between BMI and all-cause mortality in patients undergoing open repair of AAA in different sensitivity analyses.

From: Body mass index and mortality after elective open abdominal aortic aneurysm repair in a fifteen year multicenter cohort study

Exposure

Model I(HR,95%CI) p

Model II(HR,95%CI) p

Model III(HR,95%CI) p

BMI (kg/m2)

0.966 (0.941, 0.992) 0.011

0.970 (0.954, 0.987) <0.001

0.978 (0.960, 0.998) 0.027

BMI groups

   

 Underweight

1.536 (1.102, 2.616) 0.039

1.750 (1.223, 2.504) 0.002

1.379 (1.021, 2.064) 0.043

Normal weight

Ref

Ref

Ref

Overweight

0.887 (0.730, 1.077) 0.048

0.827 (0.726, 0.943) 0.005

0.865 (0.738, 1.013) 0.027

Obesity

0.887 (0.730, 1.077) 0.038

0.879 (0.726, 1.065) 0.189

0.929 (0.785, 1.246) 0.080

  1. Model I was a sensitivity analysis conducted on non-hypertension participants (n = 1234). We adjusted age, sex, perioperative bleeding, DM, smoking status, HGB, Scr, ASA score, total transfusion, cardiac disease, cerebrovascular disease, intestinal ischemia, cardiac complications, pulmonary complications, embolus, smoking status.
  2. Model II was a sensitivity analysis in participants without diabetes (n = 3,069). We adjusted age, sex, perioperative bleeding, DM, smoking status, HGB, Scr, ASA score, total transfusion, cardiac disease, cerebrovascular disease, intestinal ischemia, cardiac complications, pulmonary complications, embolus, smoking status.
  3. Model III was a sensitivity analysis conducted on participants without cardiac disease (n = 2,242). We adjusted age, sex, perioperative bleeding, DM, smoking status, HGB, Scr, ASA score, total transfusion, cerebrovascular disease, intestinal ischemia, cardiac complications, pulmonary complications, embolus, smoking status.
  4. HR, Hazard ratios; CI: confidence, Ref: reference.
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