Table 4.
Most Parsimonious Multivariate Cox Regression Model of Time to Discharge
| Variable | Hazard Ratio (95% CI)a | p-value |
|---|---|---|
|
| ||
| Age (years)/Gender Groups | ||
| 6–8 years, Boys and Girls (n = 18) | 1 (reference) | |
| 9–12 years, Boys (n = 62) | 1.95 (1.05, 3.62) | .03 |
| 9–12 years, Girls (n = 25) | 2.63 (1.27, 5.46) | .01 |
|
| ||
| Time to initial evaluation (TTE) (for every additional day) |
0.93 (0.91, 0.95) | < .001 |
|
| ||
| Number of physical symptoms at initial evaluation (for each additional symptom) |
0.70 (0.60, 0.81) | < .001 |
|
| ||
| Total number of symptom domains at initial evaluation (for each additional domain) |
0.77 (0.63, 0.94) | .01 |
a
Hazard ratio <1 indicates a lower chance of discharge from specialty concussion care at any given number of days post-injury