Table 1.
Characteristics of Patients With Non-ED Versus ED Evaluation of Knee Injury Within 1 Year of ACLR a
| Characteristic | Non-ED (n = 1568) | ED (n = 658) | P |
|---|---|---|---|
| Sex | .802 | ||
| Male | 844 (53.8) | 358 (54.4) | |
| Female | 722 (46.2) | 300 (45.6) | |
| Age-group, y | .001 | ||
| 10-19 | 459 (29.3) | 229 (34.8) | |
| 20-29 | 427 (27.2) | 197 (29.9) | |
| 30-39 | 280 (17.9) | 116 (17.6) | |
| 40-49 | 280 (17.9) | 87 (13.2) | |
| 50-59 | 101 (6.4) | 26 (4) | |
| 60-64 | 21 (1.3) | 3 (0.5) | |
| Insurance | <.001 | ||
| Commercial | 1372 (87.5) | 467 (71) | |
| Medicaid | 196 (12.5) | 191 (29) | |
| Income quartile b | <.001 | ||
| Q1 (<US$70,728) | 496 (32.1) | 290 (44.6) | |
| Q2 (US$70,728-US$85,866) | 469 (30.3) | 180 (27.7) | |
| Q3 (US$85,867-US$103,955) | 354 (22.9) | 112 (17.2) | |
| Q4 (≥US$103,956) | 228 (14.7) | 68 (10.5) |
a
Data are reported as n (%). Percentages are presented as within-column percentages.
Bold P values indicate statistically significant differences between groups (P < .05). ACLR, anterior cruciate ligament reconstruction; ED, emergency department; Q, quartile.
b
As determined by ZIP code.