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Table 3 NSQIP risk factors in the study population

From: Impact of ASA score misclassification on NSQIP predicted mortality: a retrospective analysis

NSQIP variables

 

All cases % (no.)

Mortalities % (no.)

p value

Functional status

Independent

96.2% (1216)

87.9% (29)

0.013

 

Partially dependent

3.2% (40)

12.1% (4)

 

Totally dependent

0.6% (8)

0.0% (0)

Wound class

Clean

55.0% (695)

33.3% (11)

0.003

 

Clean/contaminated

27.3% (345)

27.3% (9)

 

Contaminated

7.9% (100)

12.1% (4)

 

Dirty

9.8% (124)

27.3% (9)

Steroid

 

4.1% (52)

12.1% (4)

0.050

Ascites

 

0.5% (6)

9.1% (3)

0.001

Sepsis

SIRS

6.6% (84)

21.2% (7)

< 0.001

 

Sepsis

4.7% (59)

18.2% (6)

 

Septic shock

1.0% (13)

24.2% (8)

Ventilator

 

1.3% (16)

27.3% (9)

< 0.001

Disseminated cancer

 

4.2% (53)

24.2% (8)

< 0.001

Diabetes

 

20.1% (254)

39.4% (13)

0.014

Hypertension

48.7% (616)

75.8% (25)

0.002

CHF

 

0.6% (8)

3.0% (1)

0.208

Dyspnea

At rest

0.6% (7)

3.0% (1)

0.069

 

Moderate exertion

8.4% (106)

15.2% (5)

 

None

91.1% (1151)

81.8% (27)

Smoker

 

31.3% (396)

39.4% (13)

0.039

COPD

 

7.5% (95)

27.3% (9)

< 0.001

Dialysis

 

2.4% (30)

6.1% (2)

0.194

ARF

 

0.6% (8)

6.1% (2)

0.025

BMI

 

30.4 ± 0.24

27.5 ± 1.54

0.054