Table 1.
Preoperative characteristics of general surgery patients with postoperative cardiac arrest by complications prior to the day of cardiac arrest, American College of Surgeons National Surgical Quality Improvement Program, 2012–13
| No Complication |
Complication | P-value | |||
|---|---|---|---|---|---|
| 606 | (45) | 746 | (55) | ||
| Age (years) | 67.8 | (15) | 67.1 | (14) | 0.40 |
| Female | 250 | (41) | 323 | (43) | 0.45 |
| White | 386 | (64) | 472 | (63) | 0.87 |
| ASA Physical Status | <0.0001 | ||||
| 1 | 2 | (0.3) | 3 | (0.4) | |
| 2 | 60 | (10) | 52 | (7) | |
| 3 | 324 | (53) | 303 | (41) | |
| 4 | 194 | (32) | 326 | (44) | |
| 5 | 26 | (4) | 61 | (8) | |
| Emergency | 218 | (36) | 351 | (47) | <0.0001 |
| Diabetic | 176 | (29) | 242 | (32) | 0.18 |
| Mechanical Ventilation | 47 | (8) | 107 | (14) | <0.001 |
| Dyspnea | 102 | (17) | 115 | (15) | 0.48 |
| Chronic Obstructive Pulmonary Disease | 83 | (14) | 134 | (18) | 0.03 |
| Current Smoker | 95 | (16) | 159 | (21) | 0.01 |
| Congestive Heart Failure | 44 | (7) | 54 | (7) | 0.99 |
| Hypertension | 438 | (72) | 519 | (70) | 0.28 |
| Acute Renal Failure/Dialysis | 74 | (12) | 113 | (15) | 0.12 |
| Sepsis/Septic Shock | 195 | (32) | 354 | (47) | <0.0001 |
| Wound Infection | 70 | (12) | 84 | (11) | 0.87 |
| Functionally Dependent | 93 | (16) | 133 | (18) | 0.27 |
| Ascites | 19 | (3) | 51 | (7) | 0.002 |
| Steroid Use | 57 | (9) | 96 | (13) | 0.046 |
| Cancer | 182 | (30) | 224 | (30) | 1.00 |
| Bleeding Disorder | 100 | (17) | 140 | (19) | 0.28 |
| Preoperative Transfusion | 38 | (6) | 107 | (14) | <0.0001 |
| Body Mass Index (kg/m2) | 0.10 | ||||
| BMI <25 | 186 | (31) | 258 | (35) | |
| BMI ≥25 and <30 | 150 | (25) | 205 | (27) | |
| BMI ≥30 | 243 | (40) | 257 | (34) | |
| BMI Missing | 27 | (4) | 26 | (3) | |
| Hematocrit (%) | <0.0001 | ||||
| HCT ≤29 | 83 | (14) | 170 | (23) | |
| HCT >29 and ≤35 | 181 | (30) | 231 | (31) | |
| HCT >35 and ≤41 | 184 | (30) | 210 | (28) | |
| HCT >41 | 144 | (24) | 126 | (17) | |
| Missing | 14 | (2) | 9 | (1) | |
| Estimated glomerular filtration rate (mL/min/1.73 m2) | 0.04 | ||||
| eGFR <30 | 117 | (19) | 174 | (23) | |
| eGFR ≥30 and <60 | 145 | (24) | 198 | (27) | |
| eGFR ≥60 and <90 | 175 | (29) | 218 | (29) | |
| eGFR ≥90 | 157 | (26) | 146 | (20) | |
| eGFR Missing | 12 | (2) | 10 | (1) | |
Continuous variables expressed as mean (SD). Categorical variables expressed as counts (%).ASA, American Society of Anesthesiologists