Table 3a.
Prediction of patients having one or more rehospitalizations during 9 months after inpatient rehabilitation discharge
| Outcome: | Any Rehospitalization | Rehospitalization for Infection | Rehospitalization for Injury | |||
|---|---|---|---|---|---|---|
| Predictor | Odds Ratio (95% Confidence Interval) | P | Odds Ratio (95% Confidence Interval) | P | Odds Ratio (95% Confidence Interval) | P |
| Intercept | 0.216 | 0.002 | <.001 | |||
| Predictor present at injury | ||||||
| Age on admission | 1.01 (1.00,1.01) | 0.007 | 1.04 (1.03,1.06) | <.001 | ||
| Cause of injury*: motor vehicle crash | 0.73 (0.57,0.93) | 0.010 | ||||
| Cause of injury*: fall | 2.24 (1.41,3.55) | <.001 | ||||
| Number of previous brain injuries | 1.29 (1.02,1.63) | 0.032 | 2.03 (1.34,3.08) | <0.001 | ||
| Predictor present at end of rehabilitation discharge | ||||||
| Days from injury to rehabilitation admission | 1.01 (1.00,1.02) | 0.048 | ||||
| Seizures before or during rehabilitation | 1.45 (1.09,1.93) | 0.011 | ||||
| Urinary tract infection before or during rehabilitation | 1.87 (1.17,2.99) | 0.009 | 2.42 (1.29,4.57) | 0.006 | ||
| Rehabilitation length of stay | 0.95 (0.92,0.98) | 0.001 | ||||
| FIM motor score - Rasch transformed | 0.98 (0.97,0.99) | <.001 | 0.96 (0.94,0.97) | <.001 | ||
| Non-brain injury component of Maximum CSI score | 1.01 (1.01,1.02) | <.001 | 1.01 (1.00,1.02) | 0.017 | 1.03 (1.01,1.04) | <0.001 |
| Number observations used | 1850: Yes=510, No=1340 | 1429: Yes=89, No=1340 | 1389: Yes=49, No=1340 | |||
| c statistic | 0.657 | 0.781 | 0.822 | |||
| Maximum rescaled R2† | 0.088 | 0.162 | 0.194 | |||
NOTE: Abbreviations: Comprehensive Severity Index
*
Reference categories for cause of injury are all of the categories combined that do not enter significantly into a model. The five categories are fall, motor vehicle crash, sports, violence, and miscellaneous.
†
A scaled coefficient of determination (R2).