Table 1. Baseline characteristics for patients with extubation success and failure.
| Characteristics | Extubation success (n = 82) | Extubation failure (n = 43) | P |
|---|---|---|---|
| Demographics | |||
| Gender (Male, %) | 57 (69.5) | 24 (55.8) | 0.128 |
| Age (years) | 60 ± 18 | 61 ± 18 | 0.776 |
| BMI (kg/m2) | 22.01 ± 2.85 | 21.41 ± 2.51 | 0.489 |
| Smoking (%) | 26 (31.7) | 19 (44.2) | 0.167 |
| Disease severity | |||
| APACHE II | 16.30 ± 4.87 | 18.30 ± 4.23 | 0.025 |
| Marshall | 2.17 ± 2.30 | 2.56 ± 2.26 | 0.370 |
| SOFA | 5.18 ± 2.80 | 5.98 ± 2.75 | 0.132 |
| LIS | 2.19 ± 0.74 | 2.44 ± 0.73 | 0.047 |
| GOCA | 4.89 ± 1.49 | 5.47 ± 1.18 | 0.030 |
| Comorbidities | |||
| Cardiovascular diseases (%) | 30 (36.6) | 20 (46.5) | 0.282 |
| Diabetes (%) | 17 (20.7) | 12 (27.9) | 0.367 |
| Renal diseases (%) | 17 (20.7) | 9 (20.9) | 0.979 |
| Connective tissue diseases (%) | 5 (6.1) | 6 (14.0) | 0.185 |
| Gastrointestinal diseases (%) | 20 (24.4) | 15 (34.9) | 0.215 |
| Metabolic diseases (%) | 4 (4.9) | 1 (2.3) | 0.659 |
| AIDS (%) | 4 (4.9) | 1 (2.6) | 1.000 |
| Syphilis (%) | 4 (4.9) | 0 (0) | 0.304 |
| Hepatitis B (%) | 4 (4.9) | 2 (5.1) | 1.000 |
| Outcomes | |||
| Mortality (%) | 31 (37.8) | 42 (97.7) | <0.001 |
| Length of ICU stay (days) | 18.29 ± 15.67 | 14.42 ± 12.87 | 0.166 |
Abbreviations: AIDS, acquired immune deficiency syndrome; APACHE II, acute physiology, age, chronic health evaluation; BMI, body mass index; GOCA, gas exchange, organ failure, cause, associated disease; ICU, intensive care unit; LIS, lung injury score; SD, standard deviation; SOFA, sequential organ failure assessment.