Table 3.
Bivariate linear regression model of predictors of duration of hospitalization among children with severe pneumonia, Hawassa, Ethiopia.
| Variable | Coefficient | R 2 | P-value |
|---|---|---|---|
| Age in months | -0.123 | 0.015 | 0.177 |
| Sex, Male | 0.022 | 0.000 | 0.810 |
| Duration of illness in days | 0.070 | 0.005 | 0.443 |
| Presence of fever | -0.084 | 0.007 | 0.355 |
| Presence of vomiting | -0.116 | 0.013 | 0.204 |
| Presence of grunting | 0.070 | 0.005 | 0.440 |
| Previous admission | 0.060 | 0.004 | 0.515 |
| Indoor cooking | -0.004 | 0.000 | 0.969 |
| Breast feeding | 0.071 | 0.005 | 0.435 |
| Pulse rate (count per minute) | 0.115 | 0.013 | 0.207 |
| Respiratory rate (count per minute) | -0.048 | 0.002 | 0.599 |
| Temperature in Celsius | 0.117 | 0.014 | 0.198 |
| Saturation of Oxygen (SaPO2) | 0.031 | 0.001 | 0.772 |
| Presence of cyanosis | -0.047 | 0.002 | 0.611 |
| Finding of crepitation crepitation | -0.029 | 0.001 | 0.755 |
| Finding of wheezing | -0.016 | 0.000 | 0.862 |
| Level of consciousness | 0.123 | 0.015 | 0.178 |
| White blood cell count (cells/mm3) | -0.140 | 0.020 | 0.126 |
| Platelet count (cells/mm3) | -0.141 | 0.020 | 0.122 |
| Hemoglobin (gm/dL) | -0.249 | 0.062 | 0.006 |
| Height-for-age Z score | 0.203 | 0.041 | 0.027 |
| Weight-for-height Z score | -0.049 | 0.002 | 0.605 |
| Weight-for-age Z score | 0.108 | 0.012 | 0.241 |
| Body Mass Index-for-Age Z-score | -0.035 | 0.001 | 0.703 |
| CXR positive (based on WHO criteria) | 0.002 | 0.000 | 0.979 |