Table 2.
Patient Demographics and Comorbidities in each Surgical Category.
| Demographics (%) | PM n = 95,468 |
OPS n = 7279 |
M n = 70,616 |
M + MF n = 4747 |
M + I n = 44,093 |
p-Value | |
|---|---|---|---|---|---|---|---|
| Age | Young: <60 | 56.63 | 54.71 | 42.19 | 75.27 | 78.25 | <0.0001 |
| Older: >60 | 43.37 | 45.29 | 57.81 | 24.73 | 21.75 | ||
| Race | White | 72.66 | 74.91 | 68.73 | 73.98 | 76.77 | <0.0001 |
| Black | 10.71 | 11.84 | 11.83 | 12.79 | 7.99 | ||
| Asian/Pacific | 3.88 | 4.09 | 6.13 | 3.71 | 4.39 | ||
| Native | 0.50 | 0.16 | 0.72 | 0.21 | 0.22 | ||
| Unknown | 12.24 | 8.98 | 12.59 | 9.31 | 10.63 | ||
| Pathology | Invasive | 78.46 | 81.04 | 86.58 | 78.83 | 80.29 | <0.0001 |
| DCIS | 21.54 | 19.10 | 13.42 | 21.17 | 19.71 | ||
| Admission Status | Inpatient | 7.15 | 15.11 | 51.81 | 93.66 | 61.99 | <0.0001 |
| Outpatient | 92.85 | 84.89 | 48.19 | 6.34 | 38.01 | ||
| BMI | Underweight | 2.09 | 1.36 | 2.80 | 1.18 | 2.29 | <0.0001 |
| Normal | 27.27 | 27.17 | 29.20 | 30.90 | 41.27 | ||
| Overweight | 30.55 | 29.43 | 29.35 | 33.85 | 28.72 | ||
| Obese | 40.07 | 29.43 | 38.65 | 34.02 | 27.71 | ||
| Diabetic | Non-Diabetic | 86.91 | 88.68 | 84.24 | 93.22 | 94.60 | <0.0001 |
| Diabetic-Insulin | 3.67 | 3.20 | 4.94 | 1.85 | 1.38 | ||
| Diabetic-Oral | 9.42 | 8.12 | 10.82 | 4.93 | 4.02 | ||
| Pregnancy Status | 0.03 | 0.00 | 0.06 | 0.04 | 0.02 | <0.0001 | |
| Steroid Use | 1.87 | 1.91 | 2.70 | 1.56 | 1.76 | <0.0001 | |
| Prior Chemotherapy | 0.83 | 1.20 | 3.37 | 2.53 | 1.66 | <0.0001 | |
| Prior Radiation Therapy | 0.08 | 0.04 | 0.26 | 0.34 | 0.09 | <0.0001 | |
| Recent Weight Loss | 0.27 | 0.34 | 0.72 | 0.40 | 0.29 | <0.0001 | |
| PMH of Angina | 0.07 | 0.07 | 0.11 | 0.04 | 0.02 | <0.0001 | |
| PMH of Hypertension | 0.47 | 0.40 | 0.50 | 0328 | 0.24 | <0.0001 | |
| PMH of CHF | 0.27 | 0.29 | 0.43 | 0.06 | 0.04 | <0.0001 | |
| PMH of Renal Failure | 0.03 | 0.03 | 0.04 | 0.00 | 0.01 | 0.009 | |
| PMH of Bleeding Disorders | 1.64 | 1.14 | 2.25 | 0.57 | 0.64 | <0.0001 | |
| PMH of COPD | 3.05 | 1.81 | 3.96 | 0.93 | 0.80 | <0.0001 | |
| Recent Pneumonia | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | <0.0001 | |
| Dyspnea | At Rest | 0.29 | 0.08 | 0.42 | 0.06 | 0.06 | <0.0001 |
| Moderate | 5.56 | 3.49 | 7.48 | 3.60 | 2.46 | ||
| None | 94.15 | 96.43 | 92.11 | 96.33 | 97.48 | ||
| ASA Class | 1 | 6.19 | 5.19 | 3.74 | 6.38 | 7.88 | <0.0001 |
| 2 | 58.95 | 60.35 | 51.60 | 69.20 | 69.34 | ||
| 3 | 33.25 | 33.48 | 42.22 | 24.04 | 21.69 | ||
| 4 | 1.36 | 0.80 | 2.33 | 0.32 | 0.30 | ||
| 5 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||
| Open Wound Infection | 0.37 | 0.25 | 1.31 | 1.22 | 0.20 | <0.0001 | |
| Prior Infection | SIRS | 0.20 | 0.23 | 0.42 | 0.55 | 0.23 | <0.0001 |
| (Within 48 h) | Sepsis | 0.01 | 0.01 | 0.04 | 0.06 | 0.00 | |
| Any Operation in Last 30 Days | 1.92 | 0.91 | 1.30 | 2.19 | 0.66 | <0.0001 | |
| Operating Time | Less than 1 h | 0.48 | 0.16 | 0.13 | 0.01 | 0.01 | <0.0001 |
| 1–2 h | 0.42 | 0.37 | 0.47 | 0.04 | 0.11 | ||
| 2–3 h | 0.08 | 0.23 | 0.12 | 0.07 | 0.29 | ||
| 3–5 h | 0.02 | 0.18 | 0.02 | 0.34 | 0.45 | ||
| 5–10 h | 0 | 0.05 | 0 | 0.47 | 0.12 | ||
| 10+ h | 0 | 0 | 0 | 0.06 | 0 | ||
| Return to OR (Within 30 Days) | 0.05 | 0.04 | 0.04 | 0.08 | 0.07 | <0.0001 | |