Table 6.

Logistic regression analysis: Independent correlates for ICU admission in hospitalized patients with CAP.

Variables	OR (95%CI)	P value
Age ≥ 65 y	0.47 (0.18–1.20)	0.116
Age<65 y	1.00(ref.)
Influenza vaccination administered	0.51 (0.12–2.14)	0.358
NOT administered	1.00(ref.)
Pneumococcal vaccination administered	1.06 (0.19–5.91)	0.942
NOT administered	1.00(ref.)
Presence of comorbidities	0.42 (0.11–1.64)	0.215
Absence of comorbidities	1.00(ref.)
Current/former smoker	0.66 (0.28–1.59)	0.363
Non-smoker	1.00(ref.)
PSI class IV-V	25.39 (2.78–231.64)	0.004
PSI class I-II-III	1.00(ref.)
CURB-65 ≥ 3	3.66 (1.31–10.26)	0.013
CURB-65 < 3	1.00(ref.)
Multilobar involvement	3.54 (1.42–8.80)	0.006
NOT Multilobar involvement	1.00(ref.)

PSI: Pneumonia severity index