Table 4.
A Multiple Linear Regression for Modeling Improvement in Bowel Score (n = 76)
| Outcome: Improvement in bowel score between rehabilitation admission and discharge | |||||
|---|---|---|---|---|---|
| Variable | Estimate | Standard error | 95% confidence interval | p value | |
| Intercept | 3.91 | 1.03 | 1.86 | 5.97 | 0.0003 |
| Neurological injury severity at acute admission | |||||
| AIS A/B | 0.29 | 0.83 | –1.35 | 1.94 | 0.7232 |
| AIS C/D | Baseline | — | — | — | — |
| Neurological level of injury at acute admission | |||||
| L1 | 0.36 | 0.68 | –0.99 | 1.71 | 0.5968 |
| L2 | 0.95 | 0.83 | –0.70 | 2.60 | 0.2549 |
| L3–S3 | Baseline | — | — | — | — |
| Voluntary anal contraction at acute admission | |||||
| Present | –1.61 | 0.88 | –3.37 | 0.14 | 0.0707 |
| Absent | Baseline | — | — | — | — |
| Time from injury to surgery | 0.00 | 0.00 | 0.00 | 0.00 | 0.2837 |
| Rehabilitation onset | –0.02 | 0.01 | –0.04 | –0.01 | 0.0048 |
p value in bold indicates statistical significance.
AIS, American Spinal Injury Association Impairment Scale; L, lumbar; S, sacral.