Table 4. Exploratory outcomes.
| Outcome | T-Piece (99) | PSV (91) | Risk Ratio (95% CI) | p |
|---|---|---|---|---|
| Extubation at first SBT—n (%) | 78 (78.8) | 71 (78.8) | 1.01 (0.73–1.39) | 0.953§ |
| 48-hour failure rate—n (%) | 28 (29.5) | 22 (24.2) | 1.22 (0.70–2.13) | 0.485§ |
| Overall reintubation rate—n (%) | 35 (36.8) | 40 (44) | 0.84 (0.53–1.32) | 0.445§ |
| Tracheostomy—n (%) | 22 (22.2) | 15 (16.5) | 1.35 (0.70–2.60) | 0.369§ |
| ICU LOS—median (IQR) | 13 (5–21) | 11 (6–16) | - | 0.465¶ |
| ICU mortality—n (%) | 26 (26.5) | 25 (28.4) | 0.93 (0.54–1.61) | 0.807§ |
| Hospital LOS—median (IQR) | 32.5 (11.5–53.5) | 32 (10–54) | - | 0.971¶ |
Data are presented as numbers (percentage). PSV, Pressure-Support Ventilation; CI, confidence interval; SBT, spontaneous breathing trials; ICU, intensive care unit; LOS, length of stay; IQR, interquartile range.
§ Univariate Poisson regression model.
¶ Wilcoxon-Mann-Whitney’s test.