Table 3.
Predictors of Pneumothorax development on multivariable logistic regression analysis according to prediction sets.
| Parameter | Parameter Estimate | Standard Error | Chi-Square | Pr > ChiSq | Hazard Ratio | 95% Hazard Ratio Confidence Limits | |
|---|---|---|---|---|---|---|---|
| Age | 0.00186 | 0.03587 | 0.0027 | 0.9586 | 1.002 | 0.934 | 1.075 |
| Sex | 0.39569 | 0.56826 | 0.4849 | 0.4862 | 1.485 | 0.488 | 4.524 |
| Dementia | 3.26344 | 1.04312 | 9.7877 | 0.0018 | 26.139 | 3.384 | 201.929 |
| Low lymphocytes | 1.57814 | 0.58117 | 7.3737 | 0.0066 | 4.846 | 1.551 | 15.138 |
| PaO2/FiO2 | −0.00716 | 0.00295 | 5.8989 | 0.0152 | 0.993 | 0.987 | 0.999 |
Hazard ratio (HR) with standard error (SE) and p values (p) have been reported.
Abbreviations: PaO2, arterial oxygen partial pressure; FiO2, fraction of inspired oxygen.