Average hospital length of stay in days

Step

Variable

No

Yes

p-value

1

Albumin < 3.4 gm/dL

14.6

18.1

<0.0001

2

Operative time > 373 minutes

15.5

17.1

<0.0001

3

Bleeding Disorders

13.8

18.9

<0.0001

4

Age > 65 years

15.8

16.8

0.0005

5

Alkaline phosphatase > 147

16.9

15.8

0.0002

6

Hematocrit < 36.1%

15.8

16.9

0.0004