Table 3.
Multilevel linear regression analysis for BMI increase following TIV use.
| Variables | Coefficient | 95% CI | p-Value |
|---|---|---|---|
| Age at onset | 0.002 | −0.535, 0.577 | 0.941 |
| Length of time from onset to TIV use | 0.144 | −0.184, 0.307 | 0.082 |
| BMI at TIV use | 0.584 | 0.320, 0.848 | <0.0001 |
| Stage | |||
| Stage II | 0.463 | −0.368, 1.294 | 0.275 |
| Stage III | 0.341 | −0.767, 1.449 | 0.547 |
| Stage IV | 0.814 | −0.260, 1.888 | 0.138 |
| Stage V | 1.469 | 0.142, 2.798 | 0.030 |
| Random effect | |||
| Residual | 2.099 | ||
| Cons | 3.140 |
BMI: body mass index, EN: enteral nutrition, TIV: tracheostomy and invasive ventilation. Patients with amyotrophic lateral sclerosis were included as random effects.