Table 1.
Preoperative patient characteristics of the primary THA cohort
| Primary THA (n = 6,168) N (%) or Mean (SD) | |
|---|---|
| Gender | |
| Females | 3175 (52%) |
| Males | 2993 (48%) |
| Age | |
| <50 | 975 (16%) |
| 50- < 65 | 1626 (26%) |
| 65- <80 | 2947 (48%) |
| ≥80 | 620 (10%) |
| Body Mass Index (BMI) | |
| <25 | 1505 (24%) |
| 25– 29.99 | 2356 (38%) |
| 30– 34.99 | 1497 (24%) |
| 35– 39.99 | 506 (8%) |
| ≥40 | 279 (5%) |
| American Society of Anesthesiologists (ASA) class | |
| I | 359 (6%) |
| II | 3468 (56%) |
| III | 2256 (37%) |
| IV | 59 (1%) |
| Underlying Diagnosis | |
| Inflammatory arthritis | 162 (2%) |
| Osteoarthritis | 5339 (87%) |
| Other | 666 (11%) |
| Cement Fixation | |
| Uncemented | 2224 (36%) |
| Cemented/hybrid | 3943 (64%) |
| Age, mean (SD) | 64.2 (13.8) |
| Deyo-Charlson Index, mean (SD) | 1.0 (1.9) |
| BMI, mean (SD) | 28.9 (5.8) |
Missing data: BMI, n = 25; ASA score, n = 26; Underlying diagnosis, n = 1.