Table 5.
Summary of Significant Variables in Multivariate Analysis a
| Variable | KOOS Pain | KOOS Function | Complete Meniscal Tear |
|---|---|---|---|
| Age | X | X | — |
| Sex, female (vs male) | X | X | X |
| Race | — | — | — |
| Black (vs White) | — | — | — |
| Other (vs White) | — | — | — |
| BMI | X | X | — |
| Years of education | X | X | X |
| Smoking status | — | — | — |
| Quit (vs never) | — | — | — |
| Current (vs never) | X | X | — |
| Baseline VR-12 MCS | X | X | — |
| Insurance | — | — | — |
| Medicare (vs commercial) | X | — | — |
| Medicaid (vs commercial) | — | — | — |
| Meniscal tear, yes (vs no) | — | — | — |
| Tear location | — | — | — |
| Medial (vs no tear) | — | — | — |
| Lateral (vs no tear) | — | — | — |
| Both (vs no tear) | — | — | — |
| Race × insurance | — | — | — |
| Black × Medicare | — | — | — |
| Other × Medicare | — | — | — |
| Black × Medicaid | — | — | — |
| Other × Medicaid | — | — | — |
| Patient age × years of education | — | — | — |
a X indicates significant; — indicates not significant. BMI, body mass index; KOOS, Knee injury and Osteoarthritis Outcome Score; VR-12 MCS, Veterans RAND 12-Item Health Survey Mental Component Score.