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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