Table 4.
Patient demographics per cohort
| Demographic | Underdosed (n = 1130) | Adequately dosed (n = 518) | Overdosed (n = 180) | p value |
|---|---|---|---|---|
| Age (years, mean ± SD) | 63 ± 11 | 67 ± 11 | 67 ± 13 | < 0.001 |
| BMI (kg/m2, mean ± SD) | 33 ± 5 | 26 ± 4 | 23 ± 5 | < 0.001 |
| Gender | 496 males (44%), 634 females (56%) |
81 males (16%), 437 females (84%) |
29 males (16%), 151 females (84%) |
< 0.001 |
| Joint | 595 knees (53%), 535 hips (47%) |
226 knees (44%), 292 hips (56%) |
49 knees (27%), 131 hips (73%) |
< 0.001 |
| Age-adjusted CCI (mean ± SD) | 3 ± 2 | 4 ± 2 | 4 ± 2 | < 0.001 |
BMI = body mass index; CCI = Charlson Comorbidity Index.