Table 1 Factors that affect the durations of MV and the length of ICU stay (hours, mean ± SD)
| Â | Â | Presence | Absence | P values |
|---|---|---|---|---|
Hypoxemia and/or Hypercapnia | MV | 36 ± 27 | 12 ± 7 | 0.003 |
|  | ICU | 69 ± 52 | 27 ± 52 | 0.009 |
Weaning difficulties from MV | MV | 52 ± 54 | 15 ± 15 | 0.0008 |
|  | ICU | 102 ± 62 | 52 ± 24 | 0.011 |
Hemodynamic instability | MV | 34 ± 28 | 15 ± 14 | 0.013 |
|  | ICU | 70 ± 54 | 38 ± 21 | 0.019 |
Increase in blood urea and/or creatinine levels | MV | 28 ± 26 | 13 ± 6 | 0.0027 |
|  | ICU | 58 ± 46 | 36 ± 17 | 0.011 |
Fever | MV | 36 ± 28 | 13 ± 10 | 0.001 |
|  | ICU | 70 ± 54 | 37 ± 17 | 0.01 |
Hypocalcemia | MV | 35 ± 30 | 18 ± 16 | 0.001 |
|  | ICU | 74 ± 58 | 40 ± 24 | 0.02 |