Table 5 Multivariable linear regression analysis with cost as the dependent variable
Variables | unstandardized coefficient (ß) | 95% confidence interval | P-value |
|---|---|---|---|
Age, y | -1.603 | -5.643 to 2.437 | 0.430 |
Duration of intubation, day | -9.637 | -21.305 to 2.03 | 0.104 |
APACHE score | 1.239 | -6.647 to 9.126 | 0.754 |
Hypertension (reference: no) | 98.05 | -29.951 to 226.082 | 0.130 |
Groups (reference: bronchoscopy-guided) | -1064.174 | -1184.667 to -943.681 | < 0.001 |