. 2018 Sep 26;54(1):27. doi: 10.1186/s41983-018-0028-9

Table 4.

Multiple regression analysis for predictors of 30-day mortality in group 1

Predictors of 30-day mortality	Group 1		95% confidence intervals	p value
Age > 65 years	Non-survivors	12 (54%)	0.833–0.987	0.03*
Age > 65 years	Survivors	12 (46%)	0.833–0.987	0.03*
Sex (males/females)	Non-survivors	19 (51%)/18(49%)	0.63–1.34	0.34
Sex (males/females)	Survivors	8 (52%)/6(48%)	0.63–1.34	0.34
Smoking	Non-survivors	12 (60%)	0. 13–1.25	0.25
Smoking	Survivors	8 (40%)	0. 13–1.25	0.25
Mechanical ventilation	Non-survivors	8 (33%)	0.35–0.26	0.01*
Mechanical ventilation	Survivors	6 (22%)	0.35–0.26	0.01*
GCS at pneumonia occurrence < 9	Non-survivors	15 (63%)	11.12–21.30	0.001*
GCS at pneumonia occurrence < 9	Survivors	10 (37%)	11.12–21.30	0.001*
Pleural effusion in CXR	Non-survivors	11 (46%)	0.47–1.38	0.99
Pleural effusion in CXR	Survivors	12 (44%)	0.47–1.38	0.99
Pulmonary infiltrates in CXR	Non-survivors	11 (46%)	0.36–1.14	0.224
Pulmonary infiltrates in CXR	Survivors	12 (44%)	0.36–1.14	0.224
PSI risk class ≥ 4	Non-survivors	15 (63%)	1.095–2.364	0.04*
PSI risk class ≥ 4	Survivors	6 (22%)	1.095–2.364	0.04*
CURB-65 scores ≥ 3	Non-survivors	18 (75%)	1.23–2.99	0.01*
CURB-65 scores ≥ 3	Survivors	14 (52%)	1.23–2.99	0.01*
Increased MPV/PC ratio	Non-survivors	16 (67%)	2.9–2.23	0.03*
Increased MPV/PC ratio	Survivors	8 (30%)	2.9–2.23	0.03*

GCS Glasgow Coma Scale, NIHSS National Institutes of Health Stroke Scale, CXR chest radiograph, PSI pneumonia severity index, MPV/pc ratio mean platelet volume/platelet count ratio

*Significant