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Patient characteristics.
| Variable | Value |
|---|---|
| Total, n | 861 |
| Mean age, yrs (range; SD) | 67 (35 to 86; 7.9) |
| Sex, n (%) | |
| Female | 405 (47) |
| Male | 452 (53) |
| Mean BMI, kg/m2 (range; SD) | 31.5 (19 to 58; 6.1) |
| Mean ASA (range; SD) | 2.4 (1 to 4; 0.5) |
| Mean LOS, days (range; SD) | 2.8 (1 to 11; 1.0) |
| Laterality, n (%) | |
| Right | 443 (52) |
| Left | 418 (48) |
| Cement, n (%) | |
| Cemented | 553 (64) |
| Cementless | 308 (36) |
ASA, American Society of Anesthesiologists; LOS, length of stay; SD, standard deviation.
