Table 3.
Patient and injury characteristics associated with treatment time in rehabilitation and LOS: multiple regression results*
| Total hours of therapy during rehabilitation |
Rehabilitation LOS |
Minutes of therapy per week during rehabilitation |
||||
|---|---|---|---|---|---|---|
| Total R2 | 0.89 |
0.56 |
0.17 |
|||
| Independent variable | Parameter estimate | Type II semi-partial R2 | Parameter estimate | Type II semi-partial R2 | Parameter estimate | Type II semi-partial R2 |
| Rehabilitation LOS | 2.57 | 0.47 | – | |||
| Days from injury to rehabilitation admission | −0.11 | <0.01 | ||||
| Age at injury | −0.40 | <0.01 | −2.33 | 0.01 | ||
| Race – other† | 17.50 | 0.01 | ||||
| Married | 7.93 | <0.01 | ||||
| Injury group | ||||||
| C5–C8: ABC | 12.91 | <0.01 | 5.98 | <0.01 | ||
| AIS D | −99.21 | 0.01 | ||||
| Traumatic etiology | ||||||
| Vehicular | −5.74 | 0.01 | ||||
| Violence | −13.59 | <0.01 | −131.07 | 0.02 | ||
| Medical/surgical complications | −146.84 | 0.01 | ||||
| BMI >40 | −18.15 | <0.01 | ||||
| English primary language | 11.56 | <0.01 | ||||
| Payer | ||||||
| Medicaid | −68.76 | 0.01 | ||||
| Workers' compensation | 13.71 | 0.01 | ||||
| Ventilator use at rehabilitation admission | −21.91 | <0.01 | 21.17 | 0.02 | −152.96 | 0.02 |
| Severity score (CSI) | 0.48 | 0.11 | −2.11 | 0.04 | ||
| Admission FIM motor score | −0.63 | <0.01 | −0.76 | 0.05 | ||
| Clinician experience‡ | 2.72 | 0.01 | 1.46 | 0.02 | 10.70 | 0.01 |
*Independent variables allowed into models: age at injury, male, married, race – white, race – black, race – Hispanic, race – other, admission FIM motor score, admission FIM cognitive score, severity of illness score (CSI), injury group: C1–C4 ABC, injury group: C5–C8 ABC, injury group: Para ABC, injury group: AIS D, clinician experience, traumatic etiology – vehicular, traumatic etiology – violence, traumatic etiology – falls, traumatic etiology – sports, traumatic etiology – medical/surgical complication, traumatic etiology – other, work-related injury, number of days from trauma to rehabilitation admission, BMI >40, BMI 30–40, BMI <30, language – English, language – no English, language – English sufficient for understanding, payer – Medicare, payer – worker compensation, payer – private, payer – Medicaid, employment status at the time of injury – employed, employment status at the time of injury – student, employment status at the time of injury – retired, employment status at the time of injury – unemployed, employment status at the time of injury – other, ventilator use at rehabilitation admission.
†Race ‘other’ subcategory includes Native American, Asian/Pacific Islander, and unknown.
‡Clinician experience is for all disciplines combined.