Table 2.
Variable | OR | 95% CI | P * | OR | 95% CI | P ** |
---|---|---|---|---|---|---|
Age (years) | 1.107 | 1.007–1.027 | 0.001 | |||
APACHE II | 1.046 | 1.027–1.066 | <0.001 | |||
TISS Scale | 1.036 | 1.017–1.055 | <0.001 | 1.814 # | 1.283–2.563 | 0.001 |
Glasgow coma scale | 0.930 | 0.894–0.967 | <0.001 | |||
Comorbidities | ||||||
Chronic hemodialysis | 12.970 | 9.483–17.740 | <0.001 | 12.264 | 8.556–17.580 | <0.001 |
Diabetes | 1.507 | 1.110–2.045 | 0.008 | |||
Active cancer | 0.629 | 0.417–0.948 | 0.027 | |||
Ventilator use duration (h) | 1.002 | 1.001–1.003 | <0.001 | |||
Weaning parameter | ||||||
RSI | 1.008 | 1.004–1.012 | <0.001 | 2.003 % | 1.378–2.910 | <0.001 |
MIP | 0.983 | 0.970–0.995 | 0.008 | |||
MEP | 0.989 | 0.983–0.995 | <0.001 | 0.610 @ | 0.413–0.899 | 0.013 |
Pre-extubation data | ||||||
Pulse rate | 1.014 | 1.005–1.023 | 0.003 | 1.705 * | 1.173–2.480 | 0.005 |
PaO2/FiO2 | 0.997 | 0.995–0.998 | <0.001 | 0.529 & | 0.373–0.750 | <0.001 |
Hemoglobin | 0.832 | 0.765–0.904 | <0.001 | |||
Hematocrit (%) | 0.961 | 0.939–0.984 | 0.001 | |||
BUN | 1.012 | 1.007–1.017 | <0.001 |
#: TISS ≥ 28.5, AUC ≈ 0.6, p < 0.001; %: RSI ≥ 49.95, AUC ≈ 0.6, p < 0.001; @: MEP < 39 cm H2O, AUC ≈ 0.6, p < 0.001; Pulse rate ≥ 102.5 /min, AUC ≈ 0.6, p = 0.026; &: PaO2/FiO2 ≤ 323.25, AUC ≈ 0.6, p < 0.001; * Value for univariate analysis; ** Value for multivariate analysis;