TABLE II.
Bivariate Association Between Duration of Symptoms and Patient Characteristics*
| Duration of Symptoms | |||
|---|---|---|---|
| No. of Patients | Delay ≥12 Weeks | P Value | |
| Insurance status | 0.014 | ||
| Private insurance | 186 | 31.2% | |
| Public insurance | 149 | 44.3% | |
| Family structure | 0.03 | ||
| Single-guardian household | 78 | 47.4% | |
| Multiguardian household | 237 | 33.8% | |
| SVI (U.S.) | 0.22 | ||
| <0.75 | 251 | 34.7% | |
| ≥0.75 | 68 | 42.6% | |
| SVI (Massachusetts) | 0.36 | ||
| <0.75 | 210 | 33.8% | |
| ≥0.75 | 81 | 39.5% | |
| Age at symptom presentation | 0.013 | ||
| <11 years | 95 | 50.5% | |
| 11 years | 85 | 32.9% | |
| 12 years | 79 | 30.4% | |
| ≥13 years | 92 | 31.5% | |
| Sex | 0.64 | ||
| Female | 139 | 35.3% | |
| Male | 212 | 37.7% | |
| Race | 0.24 | ||
| White | 187 | 33.2% | |
| Black | 75 | 41.3% | |
| Hispanic† | 31 | 51.6% | |
| Asian | 8 | 50.0% | |
| Other | 6 | 50.0% | |
| Weight status | 0.012 | ||
| Underweight and normal (<85th percentile) | 57 | 26.3% | |
| Overweight (85th to 94th percentile) | 65 | 26.2% | |
| Obese (≥95th percentile) | 217 | 42.4% | |
| Calendar year of symptom presentation | 0.43 | ||
| 2002–2009 | 137 | 38.0% | |
| 2010–2015 | 127 | 39.4% | |
| 2016–2021 | 87 | 31.0% | |
| Slip severity classification | <0.001 | ||
| Mild | 197 | 23.9% | |
| Moderate | 81 | 42.0% | |
| Severe | 38 | 89.5% | |
| No. of siblings (not including patient) | 0.48 | ||
| 0 | 31 | 38.7% | |
| 1 | 127 | 37.8% | |
| 2 | 69 | 46.4% | |
| ≥3 | 35 | 31.4% | |
| Physician specialty at time of initial presentation | 0.004 | ||
| Internal medicine, family medicine, or pediatrician | 207 | 37.7% | |
| Emergency department physician | 72 | 29.2% | |
| Orthopaedic surgeon | 59 | 42.4% | |
| Other | 5 | 0% | |
| Physician specialty at time of diagnosis | 0.14 | ||
| Internal medicine, family medicine, or pediatrician | 108 | 31.5% | |
| Emergency department physician | 73 | 24.7% | |
| Orthopaedic surgeon | 157 | 47.1% | |
| Other | 11 | 27.3% | |
| No. of interactions with health care: symptom onset to diagnosis (diagnostic visit included) | <0.001 | ||
| 1 | 177 | 22.6% | |
| 2 | 124 | 43.5% | |
| ≥3 | 40 | 70% | |
*
Of the patients who did not have data recorded, 16 did not have insurance status recorded, 36 did not have family structure recorded, and 32 did not have SVI (based on U.S. percentiles) recorded.
†
Hispanic ethnicity was not reported independently from race in the medical record during the time frame of this study.