| Reintubation group | No reintubation group | P value |
---|---|---|---|
n=51 | n=349 | ||
Age (years), mean±SD | 65.2±13.3 | 64.3±14.2 | 0.878 |
Gender, male, n (%) | 24(47.1) | 235(67.3) | 0.007 |
Comorbidities | |||
 Immune suppression | 4(7.8) | 26(2.9) | 1 |
 Chronic liver disease | 6(11.8) | 27(7.7) | 0.4 |
 Chronic kidney disease | 6(11.8) | 2(5.7) | <.001 |
 Chronic heart failure | 5(9.8) | 60(17.2) | 0.225 |
 Charlson Comorbidity Index | 1.6±1.8 | 1.7±1.9 | 0.73 |
Underlying diseases | |||
 Pneumonia | 17(33.3) | 47(13.5) | <.001 |
 Sepsis | 7(13.7) | 36(10.3) | 0.468 |
 ARDS | 4(7.8) | 16(4.6) | 0.303 |
 heart failure | 3(5.9) | 12(3.4) | 0.421 |
 Miscellaneous | 20(39.2) | 237(67.9) | <.001 |
Admission type | |||
 Surgical | 18(35.3) | 179(51.0) | 0.036 |
 Medical | 33(64.7) | 170(49.0) | 0.036 |
SOFA at ICU admission, mean±SD | 6.4±2.5 | 7.0±2.8 | 0.048 |
APACHE II at ICU admission, mean±SD | 21.1±6.2 | 20.8±5.8 | 0.675 |
Delirium, n (%) | 14 (27.5) | 105 (30.1) | 0.746 |
RSBI | 39.6±12.9 | 38.6±16.5 | 0.322 |
Ventilation days (day) | 13.3±11.8 | 5.0±2.7 | <.001 |
Time to reintubation, mean±SD | 492±470.4 | - |  |
ICU LOS (days), mean±SD | 14.2±12.5 | 8.7±8.2 | <.001 |
ICU mortality, n (%) | 2(3.9) | 10(2.9) | 0.223 |
28-day mortality, n (%) | 6(11.8) | 17(4.9) | 0.097 |
Reason of reintubation, n (%) | |||
 Difficulty in sputum excretion | 30 (58.8) | - |  |
 Hypoxemia | 9 (17.6) | - |  |
 Airway obstruction | 6 (11.8) | - |  |
 Tachypnea | 4 (7.8) | - |  |
 Consciousness disturbance | 1(2.0) | - |  |
 Hemosputum | 1(2.0) | - |  |