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Table 2 Patient Characteristics of the Study Population

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

Demographics   All cases % (no.) Mortalities % (no.) p value
Age   56.5 ± 0.47 71 ± 3 < 0.001
Gender Male 45.3% (573) 57.6% (19) 0.215
  Female 54.7% (691) 42.4% (14)
Race White 82.2% (1039) 84.8% (28) 0.896
  Black 10.4% (132) 12.1% (4)
  American Indian 1.1% (14) 0.0% (0)
  Asian 1.1% (14) 0.0% (0)
  Unknown 5.1% (65) 3.0% (1)
Hispanic ethnicity 3.4% (43) 0.0% (0) 0.624
Emergency   12.1% (153) 70.0% (23) < 0.001
Transfer   12.1% (153) 60.6% (20) < 0.001
Surgery type General surgery 41.0% (518) 51.5% (17) 0.046
  Breast/endocrine 21.5% (272) 0.0% (0)
  Vascular 18.4% (233) 27.3% (9)
  Colorectal 10.1% (128) 15.2% (5)
  Hepatobiliary 5.8% (73) 6.1% (2)
  Bariatric 3.2% (40) 0.0% (0)