Table 4.
Significance of prediction of duration of mechanical ventilation among patients supported with noninvasive (Group 1) ventilator at day 3
| Parameters and scoring system predicted mortality at day 3 | β | SE | P (LOS) | Odds ratio | 95% CI | |
|---|---|---|---|---|---|---|
| Upper | Lower | |||||
| Age (year) | 0.058 | 0.047 | P>0.05 | 1.059 | 0.966 | 1.162 |
| Sex (male) | −0.117 | 1.234 | P>0.05 | 0.890 | 0.079 | 9.994 |
| Gradient | 0.008 | 0.004 | P<0.09 | 1.008 | 0.999 | 1.016 |
| PaO2/FiO2 ratio | −0.001 | 0.002 | P>0.05 | 0.999 | 0.994 | 1.003 |
| SAPS II (predicted mortality %) | −0.061 | 0.122 | P>0.05 | 0.940 | 0.741 | 1.194 |
| APACHE II (predicted mortality %) | −0.069 | 0.064 | P>0.05 | 0.933 | 0.824 | 1.057 |
| SAPS III (predicted mortality %) | −0.051 | 0.093 | P>0.05 | 0.951 | 0.792 | 1.142 |
| APACHE IV (predicted mortality %) | −0.203 | 0.101 | P<0.05* | 0.817 | 0.670 | 0.996 |
*The test variable is significant at the 0.05 level of significance. ⊗The test variable is not (insignificant) significant at the 0.05 level of significance. ^The test variable is poorly/suggestively significant at the 0.07 level of significance. LOS: Level of significance, CI: Confidence interval, SE: Standard error