Table 5 Stratified associations between BMI and all-cause mortality by age, sex, ASA score, smoking status, anemia, respiratory disease, and cerebrovascular disease.

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

Characteristic

No of participants

HR (95%CI) P value P for interaction

Age(years)

 

0.6978

<60

232

0.977 (0.915, 1.043) 0.4858

60–70

1219

0.973 (0.949, 0.997) 0.0304

70–80

1654

0.971 (0.950, 0.992) 0.0072

≥80

273

0.940 (0.891, 0.992) 0.0240

Sex

 

0.5208

Male

2761

0.975 (0.957, 0.992) 0.0048

Female

617

0.963 (0.932, 0.995) 0.0235

ASA score

 

0.7461

1

578

0.975 (0.934, 1.017) 0.2341

2

2086

0.977 (0.958, 0.996) 0.0203

3

682

0.958 (0.929, 0.988) 0.0060

4

32

0.987 (0.726, 1.342) 0.9328

Smoking status

 

0.7052

Current smoker

525

0.966 (0.927, 1.007) 0.1053

Ever smoker

1325

0.965 (0.939, 0.991) 0.0093

Never smoker

1528

0.978 (0.958, 0.998) 0.0320

Anemia

 

0.7062

No

2495

0.965 (0.947, 0.983) 0.0001

Yes

883

0.971 (0.944, 0.999) 0.0410

Respiratory disease

 

0.6168

No

2894

0.969 (0.952, 0.986) 0.0004

Yes

484

0.960 (0.929, 0.992) 0.0144

Cerebrovascular disease

 

0.7960

No

3052

0.968 (0.952, 0.984) 0.0001

Yes

326

0.962 (0.919, 1.006) 0.0883

  1. Note: The above Models adjusted for age, sex, perioperative bleeding, hypertension, DM, smoking status, HGB, Scr, ASA score, total transfusion, cardiac disease, cerebrovascular disease, intestinal ischemia, cardiac complications, pulmonary complications, embolus, smoking status. HR, Hazard ratios; CI: confidence, Ref: reference.
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