Table 2 Patient demographics and clinical characteristics after propensity matchinga
All patients (N = 26,992) | Outpatient (n = 13,496) | Inpatient (n = 13,496) | Standard difference | P Value* | |
|---|---|---|---|---|---|
Female, Sex, No. (%) | 21121 (78.3) | 10522 (77.9) | 10599 (78.5) | -0.014 | 0.25 |
Age, Mean (SD), y | 51 (14.9) | 52 (14.8) | 51 (15.1) | 0.022 | 0.08 |
BMI, mean (SD) | 30.4 (7.5) | 30.4 (7.4) | 30.3 (7.6) | 0.012 | 0.32 |
Diabetes, No. (%) | 4122 (15.3) | 2086 (15.5) | 2036 (15.1) | 0.010 | 0.39 |
Current Smoker, No. (%) | 3919 (14.5) | 1950 (14.5) | 1969 (14.6) | -0.004 | 0.74 |
Dyspnea, No. (%) | 1628 (6.0) | 817 (6.1) | 811 (6.0) | 0.002 | 0.88 |
History of COPD, No. (%) | 683 (2.53) | 338 (2.5) | 345 (2.6) | -0.003 | 0.79 |
Congestive Heart Failure, No. (%) | 161 (0.60) | 81 (0.6) | 80 (0.6) | 0.001 | 0.94 |
Hypertension, No. (%) | 10477 (38.8) | 5308 (39.3) | 5169 (38.3) | 0.021 | 0.08 |
Disseminated cancer, No. (%) | 244 (0.9) | 119 (0.9) | 125 (0.9) | -0.005 | 0.70 |
Steroid use, No. (%) | 813 (3.0) | 411 (3.1) | 402 (3.0) | 0.004 | 0.75 |
Bleeding disorders, No. (%) | 431 (1.6) | 220 (1.6) | 211 (1.6) | 0.005 | 0.66 |
ASA classification, No. (%) | |||||
1 or 2 | 16901 (62.6) | 8400 (62.2) | 8501 (63.0) | -0.016 | 0.19 |
3, 4, or 5 | 10091 (37.4) | 5096 (37.8) | 4995 (37.0) | 0.19 | |
Sum of RVUs, mean (SD) | 15.80 (6.2) | 15.8 (6.3) | 15.8 (6.0) | 0.009 | 0.42 |
Operative time, mean (SD) min | 128.3 (65.4) | 128.1 (66.1) | 128.5 (64.8) | -0.006 | 0.28 |