Table 2.
Overall demographics and comorbidities for patients undergoing primary total hip arthroplasty (THA) with known pre-operative albumin.
| Primary Total Hip Arthroplasty |
|||||||
|---|---|---|---|---|---|---|---|
| Overall (n [%]) | Alb < 3.5 (n [%]) | Alb > 3.5 (n [%]) | P | ||||
| Total | 65,023 | (100.00) | 2795 | (4.30) | 62,228 | (95.70) | |
| Sex | |||||||
| Male | 29,549 | (45.49) | 1071 | (38.33) | 28,478 | (45.81) | <.001 |
| Female | 35,410 | (54.51) | 1723 | (61.67) | 33,687 | (54.19) | |
| Age | |||||||
| <70 yr | 42,504 | (65.37) | 1447 | (51.77) | 41,057 | (65.98) | <.001 |
| ≥70 yr | 22,519 | (34.63) | 1348 | (48.23) | 21,171 | (34.02) | |
| Race | |||||||
| White | 53,605 | (89.14) | 2240 | (85.86) | 51,365 | (89.29) | <.001 |
| Black | 5260 | (8.75) | 321 | (12.30) | 4939 | (8.59) | |
| Hispanic | 805 | (1.34) | 29 | (1.11) | 776 | (1.35) | |
| Hawaiian | 126 | (0.21) | 2 | (0.08) | 124 | (0.22) | |
| American Indian | 339 | (0.56) | 17 | (0.65) | 322 | (0.56) | |
| Functional status | |||||||
| Independent | 63,293 | (97.67) | 2506 | (91.13) | 60,787 | (98.06) | <.001 |
| Partially Dependent | 1446 | (2.23) | 244 | (8.87) | 1202 | (1.94) | |
| Totally Dependent | 67 | (0.10) | 24 | (0.87) | 43 | (0.07) | |
| Outpatient | |||||||
| ASA class | |||||||
| Low | 35,919 | (55.24) | 836 | (29.91) | 35,083 | (56.38) | <.001 |
| High | 29,104 | (44.76) | 1959 | (70.09) | 27,145 | (43.62) | |
| Comorbidities | |||||||
| Obesity (BMI >30 kg/m^2) | 30,676 | (47.18) | 1291 | (46.19) | 29,385 | (47.22) | 0.285 |
| Diabetes | 8276 | (12.73) | 494 | (17.67) | 7782 | (12.51) | <.001 |
| Hypertension Medication | 38,320 | (58.93) | 1876 | (67.12) | 36,444 | (58.57) | <.001 |
| Arthritis | |||||||
| Osteoarthritis | 58,461 | (99.57) | 2103 | (98.83) | 56,358 | (99.60) | <.001 |
| Rheumatoid Arthritis | 251 | (0.43) | 25 | (1.17) | 226 | (0.40) | |
| Smoker | 8902 | (13.69) | 482 | (17.25) | 8420 | (13.53) | <.001 |
| General Anesthesia | 36,751 | (56.58) | 1717 | (61.59) | 35,034 | (56.36) | <.001 |
| COPD | 2906 | (4.47) | 263 | (9.41) | 2643 | (4.25) | <.001 |
| Chronic steroid | 2919 | (4.49) | 315 | (11.27) | 2604 | (4.18) | <.001 |
| Dialysis | 192 | (0.30) | 58 | (2.08) | 134 | (0.22) | <.001 |
| Cancer | 296 | (0.46) | 60 | (2.15) | 236 | (0.38) | <.001 |
| Low Hematocrit (<30) | 760 | (1.17) | 215 | (7.69) | 545 | (0.88) | <.001 |
| High Creatinine (≥2 mg/dL) | 922 | (1.42) | 151 | (5.40) | 771 | (1.24) | <.001 |
| Low Platelets (<100 bil cells/L) | 478 | (0.74) | 81 | (97.10) | 397 | (99.36) | <.001 |
| High Bilirubin (≥2 mg/dL) | 6306 | (9.70) | 230 | (8.23) | 6076 | (9.76) | 0.007 |
| Post-Traumatic | 367 | (0.62) | 32 | (1.50) | 335 | (0.59) | <.001 |