Table 2.
Results of Multivariable Linear Regression of Time to ACLR a
| Parameter | Time to ACLR, d (95% CI) | P |
|---|---|---|
| Sex | ||
| Female | Referent | |
| Male | 7.47 (1.86 to 13.08) | .009 |
| Age-group, y | ||
| 10-19 | Referent | |
| 20-29 | 9.25 (1.97 to 16.53) | .013 |
| 30-39 | 16.31 (8.01 to 24.61) | <.001 |
| 40-49 | 24.31 (15.78 to 32.85) | <.001 |
| 50-59 | 19.47 (6.67 to 32.27) | .003 |
| 60-64 | 23.86 (−3.12 to 50.85) | .083 |
| Insurance | ||
| Commercial | Referent | |
| Medicaid | 12.88 (5.15 to 20.60) | .001 |
| Income quartile b | ||
| Q1 (<US$70,728) | Referent | |
| Q2 (US$70,728-US$85,866) | −2.45 (−9.49 to 4.60) | .496 |
| Q3 (US$85,867-US$103,955) | −6.02 (−13.86 to 1.81) | .132 |
| Q4 (≥US$103,956) | −11.57 (−20.70 to −2.44) | .013 |
| ED visit | ||
| Non-ED group | Referent | |
| ED group | 20.30 (14.10 to 26.49) | <.001 |
| Allograft use | ||
| No allograft | Referent | |
| Allograft | −7.72 (−18.22 to 2.79) | .150 |
| Meniscus | ||
| No repair | Referent | |
| Concomitant repair | −10.87 (−17.84 to −3.89) | .002 |
a
Bold P values indicate statistical significance (P < .05). ACLR, anterior cruciate ligament reconstruction; ED, emergency department; Q, quartile.
b
As determined by ZIP code.