Table 5. Multiple linear analysis of baseline hyponatremia for FIM-motor at discharge and its gain in patients post stroke.
| Parameter | FIM-motor at discharge | FIM-motor gain | ||||
| B (95% CI) | β | P value | B (95% CI) | β | P value | |
| Age | −0.085 (−0.188, 0.019) | −0.045 | 0.109 | −0.085 (−0.188, 0.019) | −0.062 | 0.109 |
| Sex, male | −5.232 (−7.975, −2.489) | −0.105 | 0.001 | −5.232 (−7.975, −2.489) | −0.146 | 0.001 |
| Ischemic stroke | 3.276 (−1.023, 7.574) | 0.063 | 0.135 | 3.276 (−1.023, 7.574) | 0.088 | 0.135 |
| Hemorrhagic stroke | 5.087 (0.617, 9.557) | 0.093 | 0.026 | 5.087 (0.617, 9.557) | 0.130 | 0.026 |
| Pre-stroke mRS | −2.750 (−3.715, −1.784) | −0.142 | <0.001 | −2.750 (−3.715, −1.784) | −0.197 | <0.001 |
| CCI | −0.246 (−0.839, 0.248) | −0.009 | 0.281 | −0.146 (−0.839, 0.548) | −0.013 | 0.680 |
| FIM-motor | 0.326 (0.238, 0.413) | 0.329 | <0.001 | −0.674 (−0.762, −0.587) | −0.948 | <0.001 |
| FIM-cognition | 0.498 (0.319, 0.677) | 0.177 | <0.001 | 0.498 (0.319, 0.677) | 0.246 | <0.001 |
| BRS-lower extremity | 3.008 (2.151, 3.865) | 0.220 | <0.001 | 3.008 (2.151, 3.865) | 0.307 | <0.001 |
| HGS | 0.504 (0.360, 0.648) | 0.242 | <0.001 | 0.504 (0.360, 0.648) | 0.337 | <0.001 |
| SMI | 1.432 (0.321, 2.543) | 0.078 | 0.012 | 1.432 (0.321, 2.543) | 0.109 | 0.012 |
| Number of medications | −0.279 (−0.460, 0.002) | −0.019 | 0.082 | −0.279 (−0.460, 0.003) | −0.013 | 0.082 |
| Rehabilitation units a | 0.239 (−0.265, 0.743) | 0.020 | 0.352 | 0.239 (−0.265, 0.743) | 0.028 | 0.352 |
| LOS | 0.060 (0.030, 0.090) | 0.114 | <0.001 | 0.060 (0.030, 0.090) | 0.158 | <0.001 |
| Hyponatremia | −3.277 (−6.447, −0.093) | −0.036 | 0.033 | −3.287 (−6.449, −0.089) | −0.051 | 0.033 |
| R2=0.701 | R2=0.725 | |||||
a Rehabilitation therapy (including physical, occupational, and speech and swallowing therapy) performed during hospitalization (1 unit=20 min).
CI, confidence interval; SAH, subarachnoid hemorrhage; LOS, length of hospital stay.