Table 3 Univariate analysis and multivariate analysis on in-hospital mortality (logistic regression analysis)

Odds ratio (95% confidence interval)

P-value

Odds ratio (95% confidence interval)

P-value

Age

1.102 (1.080–1.124)

< 0.001***

1.079 (0.056–1.103)

< 0.001***

Female (vs. Male)

0.751 (0.555–1.016)

0.064

0.708 (0.512–0.978)

0.036*

Prior vaccination, Yes (vs. No)

0.457 (0.318–0.657)

< 0.001***

0.534 (0.367–0.778)

0.001**

CURB score

 Low

Ref

Ref

Ref

Ref

 Moderate

4.915 (3.287–7.349)

< 0.001***

3.748 (2.489–5.645)

< 0.001***

 High

20.036 (12.942–31.018)

< 0.001***

14.260 (9.099–22.347)

< 0.001***

CCI score

 0

Ref

Ref

Ref

Ref

 1

0.770 (0.404–1.467)

0.427

1.064 (0.531–2.132)

0.861

 2+

0.940 (0.545–1.620)

0.824

1.108 (0.612–2.008)

0.735