Table 1.
Threshold values for univariate and multivariate analysis
| Score | Threshold(s) | AUC | Sensitivity | Specificity | p value |
|---|---|---|---|---|---|
| SF12v2 PCS | < 32.5 | 0.62 | 65% | 54% | < 0.001 |
| SF12v2 MCS | < 48.0 | 0.83 | 76% | 74% | < 0.001 |
| HOOS | < 51.0 | 0.74 | 70% | 64% | < 0.001 |
| Multivariate SF12v2 MCS/SF12v2 PCS* | See Fig. 2A | 0.69 | 68% | 66% | < 0.001 |
| Multivariate SF12v2 MCS/HOOS* | See Fig. 2B | 0.77 | 80% | 61% | 0.003 |
* Also controlled for gender, age, and race; AUC = area under the curve; SF12v2 = SF-12 version 2; PCS = physical component summary; MCS = mental component summary; HOOS = Hip Disability and Osteoarthritis Outcome Score.