Table 2 Cox proportional hazard models of one-year postoperative mortality by variables.

Sex

Male

1047

2.45 (2.28–2.62)

 < 0.0001

Female

3014

1 (reference)

Age

50–59 yr

98

1 (reference)

60–69 yr

767

1.55 (1.26–1.91)

 < 0.0001

70–79 yr

2262

3.32 (2.71–.07)

 < 0.0001

 ≥ 80 yr

934

7.30 (5.91–9.00)

 < 0.0001

AIDS/HIV

No

4060

1 (reference)

Yes

1

0.57 (0.08–4.06)

0.5755

Cerebrovascular disease

No

2964

1 (reference)

Yes

1097

1.27 (1.18–1.37)

 < 0.0001

Congestive heart failure

No

3605

1 (reference)

Yes

456

1.52 (1.38–1.68)

 < 0.0001

Chronic pulmonary disease

No

3033

1 (reference)

Yes

1028

1.00 (0.93–1.08)

0.9297

Dementia

No

3744

1 (reference)

Yes

317

1.28 (1.13–1.43)

 < 0.0001

Diabetes without chronic complication

No

3120

1 (reference)

Yes

947

0.86 (0.79–0.93)

0.0002

Diabetes with chronic complication

No

3384

1 (reference)

Yes

677

0.91 (0.83–1.00)

0.0513

Hemiplegia or paraplegia

No

3978

1 (reference)

Yes

83

0.99 (0.80–1.24)

0.964

Mild liver disease

No

2627

1 (reference)

Yes

1434

1.03 (0.96–1.10)

0.4426

Moderate or severe liver disease

No

4040

1 (reference)

Yes

21

4.34 (2.82–6.68)

 < 0.0001

Any malignancy, Including leukemia and lymphoma

No

4057

1 (reference)

Yes

4

2.97 (1.11–7.93)

0.0295

Metastatic solid tumor

No

4056

1 (reference)

Yes

5

2.57 (1.07–6.19)

0.0352

Myocardial infarction

No

3936

1 (reference)

Yes

125

1.53 (1.28–1.83)

 < 0.0001

Peripheral vascular disease

No

3490

1 (reference)

Yes

571

1.04 (0.95–1.13)

0.4473

Peptic ulcer disease

No

2177

1 (reference)

Yes

1884

1.03 (0.97–1.09)

0.4674

Rheumatologic disease

No

3138

1 (reference)

Yes

923

1.03 (0.96–1.11)

0.4311

Renal disease

No

3957

1 (reference)

Yes

104

1.92 (1.58–2.34)

 < 0.0001