- Factors predicting the endotracheal tube cuff volume (n=90).
| Variables | β | SE | 95% CI | P-value* |
|---|---|---|---|---|
| Constant | -0.191 | 0.229 | -0.645, -0.264 | 0.406 |
| Height (m) | 1.027 | 0.305 | 0.421-1.634 | 0.001 |
| Subglottic transverse diameter measured by USG (mm) | 0.104 | 0.045 | 0.014-0.193 | 0.023 |
CI: confidence interval, β: beta coefficient, SE: standard error, USG: ultrasonography
↵* Linear regression (R2)=0.50 (p<0.05), F (2, 87)= 111.288 (p<0.05).