TABLE 4.
Logistic Regression Analysesa
| Bone Bruises Absent (n = 13) | Bone Bruises Present (n = 155) | Univariate | Multivariate | |||
|---|---|---|---|---|---|---|
| P Value | OR (95% CI) | P Value | OR (95% CI) | |||
| Sex | ||||||
| Male | 9 (69.2) | 117 (75.5) | 1.00 | |||
| Female | 4 (30.8) | 38 (24.5) | .62 | 0.73 (0.21-2.51) | ||
| Age, y | 25.5 ± 6.8 | 25.2 ± 7.1 | ||||
| ≤25 | 10 (76.9) | 103 (66.5) | 1.00 | |||
| >25 | 3 (23.1) | 52 (33.5) | .44 | 1.68 (0.44-6.38) | ||
| Race | ||||||
| Chinese | 7 (53.8) | 84 (54.2) | 1.00 | |||
| Malay | 2 (15.4) | 36 (23.2) | .62 | 1.50 (0.30-7.57) | ||
| Indian | 1 (7.7) | 19 (12.3) | .67 | 1.58 (0.18-13.64) | ||
| Other | 3 (23.1) | 16 (10.3) | .27 | 0.44 (0.10-1.90) | ||
| BMI, kg/m2 | ||||||
| ≤25.0 | 8 (61.5) | 91 (58.7) | 1.00 | |||
| >25.0 | 4 (30.8) | 46 (29.7) | .99 | 1.01 (0.29-3.53) | ||
| MCL injury | ||||||
| No | 9 (69.2) | 76 (49.0) | 1.00 | |||
| Yes | 4 (30.8) | 79 (51.0) | .16 | 2.34 (0.69-7.92) | ||
| LCL injury | ||||||
| No | 11 (84.6) | 91 (58.7) | 1.00 | |||
| Yes | 2 (15.4) | 64 (41.3) | .07 | 3.87 (0.83-18.05) | .10 | 3.70 (0.78-17.52) |
| Chondral injury | ||||||
| No | 13 (100.0) | 137 (88.4) | 1.00 | |||
| Yes | 0 (0.0) | 18 (11.6) | .19 | NA | ||
| Medial meniscal injury | ||||||
| No | 8 (61.5) | 94 (60.6) | 1.00 | |||
| Yes | 5 (38.5) | 61 (39.4) | .95 | 1.04 (0.33-3.32) | ||
| Lateral meniscal injury | ||||||
| No | 12 (92.3) | 93 (60.0) | 1.00 | |||
| Yes | 1 (7.7) | 62 (40.0) | .02 | 8.00 (1.01-63.09) | .05 | 7.73 (0.97-61.34) |
aData are presented as n (%) or mean ± SD unless otherwise specified. BMI, body mass index; LCL, lateral collateral ligament; MCL, medial collateral ligament; NA, not applicable; OR, odds ratio.