Table A3.
Overall demographics and comorbidities for patients undergoing total hip arthroplasty (THA) after matching.
| Primary THA – Matched Cohort |
|||||||
|---|---|---|---|---|---|---|---|
| Overall (no. [%]) | Alb < 3.5 (n [%]) | Alb > 3.5 (n [%]) | P | ||||
| Total | 4692 | (100.00) | 2346 | (50.00) | 2346 | (50.00) | |
| Sex | |||||||
| Male | 2346 | (50.00) | 877 | (37.38) | 871 | (37.13) | 0.856 |
| Female | 2346 | (50.00) | 1469 | (62.62) | 1475 | (62.87) | |
| Age | |||||||
| <70 yr | 2430 | (51.79) | 1215 | (51.79) | 1215 | (51.79) | 1.000 |
| ≥70 yr | 2262 | (48.21) | 1131 | (48.21) | 1131 | (48.21) | |
| Race | |||||||
| White | 4088 | (87.13) | 2044 | (87.13) | 2044 | (87.13) | 0.883 |
| Black | 548 | (11.68) | 273 | (11.64) | 275 | (11.72) | |
| Hispanic | 34 | (0.72) | 18 | (0.77) | 16 | (0.68) | |
| Hawaiian | 1 | (0.02) | 1 | (0.04) | 0 | (0.00) | |
| American Indian | 21 | (0.45) | 10 | (0.43) | 11 | (0.47) | |
| Functional status | |||||||
| Independent | 4394 | (93.65) | 2198 | (93.69) | 2196 | (93.61) | 0.940 |
| Partially Dependent | 287 | (6.12) | 142 | (6.05) | 145 | (6.18) | |
| Totally Dependent | 11 | (0.23) | 6 | (0.26) | 5 | (0.21) | |
| Outpatient | |||||||
| ASA class | |||||||
| Low | 1510 | (32.18) | 758 | (32.31) | 752 | (32.05) | 0.851 |
| High | 3182 | (67.82) | 1588 | (67.69) | 1594 | (67.95) | |
| Comorbidities | |||||||
| Obesity (BMI >30 kg/m^2) | 2218 | (47.27) | 1109 | (47.27) | 1109 | (47.27) | 1.000 |
| Diabetes | 766 | (16.33) | 381 | (16.24) | 385 | (16.41) | 0.874 |
| Hypertension Medication | 3155 | (67.24) | 1578 | (67.26) | 1577 | (67.22) | 0.975 |
| Smoker | 765 | (16.30) | 381 | (16.24) | 384 | (16.37) | 0.906 |
| COPD | 385 | (8.21) | 192 | (8.18) | 193 | (8.23) | 0.958 |
| Chronic steroid | 445 | (9.48) | 226 | (9.63) | 219 | (9.34) | 0.727 |
| Dialysis | 22 | (0.47) | 11 | (0.47) | 11 | (0.47) | 1.000 |
| Cancer | 35 | (0.75) | 18 | (0.77) | 17 | (0.72) | 0.865 |
| Low Hematocrit (<30) | 171 | (3.64) | 84 | (3.58) | 87 | (3.71) | 0.815 |
| High Creatinine (≥2 mg/dL) | 117 | (2.49) | 60 | (2.56) | 57 | (2.43) | 0.779 |
| Low Platelets (<100 bil cells/L) | 82 | (1.75) | 43 | (1.83) | 39 | (1.66) | 0.656 |
| High Bilirubin (≥2 mg/dL) | 261 | (5.56) | 132 | (5.63) | 129 | (5.50) | 0.848 |