Table 3 Outcomes Before and After Propensity Score Matching
Outcome | Original Cohort | Odds Ratio (95%CI) | P-Value | Propensity-matched Cohort | Odds Ratio (95%CI) | P-Value | ||
|---|---|---|---|---|---|---|---|---|
OR Extubation | ICU Extubation | OR Extubation | ICU Extubation | |||||
n=112 | n=326 | n=94 | n=148 | |||||
Primary outcome | ||||||||
 30-day all-cause mortality, AKI (stage II or III) and Moderate-severe pulmonary complications | 19 (17.0%) | 125 (38.3%) | 0.329 (0.191 ~ 0.565) | <0.001 | 18 (19.1%) | 47 (31.8%) | 0.509 (0.274 ~ 0.946) | 0.031 |
Secondary outcomes | ||||||||
 Moderate to severe infectious complications | 9 (8.0%) | 65 (19.9%) | 0.351 (0.169 ~ 0.731) | 0.004 | 9 (9.6%) | 23 (15.5%) | 0.575 (0.254 ~ 1.304) | 0.182 |
 ICU length of stay | 4 (3 ~ 5) | 6 (4 ~ 10) | / | <0.001 | 4 (3 ~ 6) | 6 (4 ~ 8) | / | <0.001 |
 Postoperative hospital length of stay | 12 (9 ~ 17) | 15 (11 ~ 22) | / | 0.001 | 12 (10 ~ 17) | 13 (10 ~ 21) | / | 0.063 |
 Unplanned reintubation | 7 (6.3%) | 53 (16.3%) | 0.343 (0.151 ~ 0.779) | 0.008 | 6 (6.4%) | 20 (13.5%) | 0.436 (0.168 ~ 1.130) | 0.081 |
 Total hospital cost (10,000 US dollars) | 3.9 (3.5 ~ 4.5) | 4.4 (3.9 ~ 5.4) | / | <0.001 | 3.9 (3.5 ~4.6) | 4.1 (3.8 ~ 5.1) | / | 0.021 |