Table 3 (a) Hazard ratios of the risk factors associated with death from cause-specific hazard model based on multivariate Cox’s model, (b) subdistribution hazard ratio of the risk factors associated with the first reoperation, and (c) first readmission based on multivariate Fine and Gray’s (subdistribution hazard ratio, sHR) model from competing risk analysis

Age (year)

1.056

(1.047–1.064)

< 0.001

0.986

(0.974–0.998)

0.025

1.024

(1.016–1.032)

< 0.001

Gender

Female

Ref.^b

Ref.

Ref.

Male

1.315

(1.166–1.482)

< 0.001

0.966

(0.770–1.213)

0.768

0.951

(0.829–1.090)

0.468

CCI^a

0

Ref.

Ref.

Ref.

1

1.139

(1.123–1.548)

< 0.001

1.038

(0.797–1.351)

0.784

1.365

(1.172–1.590)

< 0.001

2

1.693

(1.404–2.041)

< 0.001

0.898

(0.634–1.270)

0.542

1.684

(1.388–2.044)

< 0.001

3

1.766

(1.445–2.159)

< 0.001

1.087

(0.764–1.547)

0.642

1.656

(1.320–2.077)

< 0.001

≥ 4

2.432

(2.070–2.856)

< 0.001

0.886

(0.648–1.210)

0.447

2.103

(1.752–2.524)

< 0.001

Insurance amount (NT$)

≤ 21,000

Ref.

Ref.

Ref.

>  21,000

0.487

(0.425–0.557)

< 0.001

1.174

(0.950–1.450)

0.138

0.912

(0.803–1.036)

0.158