Table 5 Univariate and multivariate logistic regression analysis for the significant differences between early and late deceased cases (n = 78 vs. 85)

Urine positive culture

< 0.001*

0.108 (0.031–0.376)

0.004*

0.133 (0.034–0.517)

BAL positive culture

< 0.001*

0.258 (0.126–0.529)

0.003*

0.274 (0.115–0.653)

PIM2 score

< 0.001*

1.020 (1.009–1.031)

0.044*

1.013 (1.000–1.027)

Primary site chest

0.014*

0.453 (0.241–0.850)

0.715

1.173 (0.498–2.764)

Primary site urinary system

0.060

0.222 (0.046–1.063)

Primary site blood

0.009*

2.685 (1.282–5.622)

0.084

2.325 (0.892–6.063)

PH

0.007*

0.104 (0.020–0.540)

0.528

0.431 (0.032–5.897)

HCO₃

< 0.001*

0.926 (0.888–0.965)

0.035*

0.938 (0.884–0.995)