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Table 4 Multiple regression analysis for predictors of 30-day mortality in group 1

From: Mean platelet volume to platelet count ratio as a laboratory indicator of mortality in pneumonia following ischemic stroke

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