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Table 3 Multivariate analysis comparing survivors versus non-survivors of group 1 according to risk factors of 30 day mortality

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

Risk factors of 30-day mortality

Survivors of group 1 (n = 27)

Non-survivors of group 1 (n = 24)

p value

Time from stroke to pneumonia onset/days

9 ± 2

12 ± 4

0.921

Scales for assessment of ischemic stroke

 GCS on admission

12 ± 3

11 ± 3

0.461

 GCS at pneumonia occurrence

11 ± 3

8 ± 2

0.01*

 NIHSS

9 ± 4

18 ± 6

0.01*

PSI scales for assessment of pneumonia severity

92 ± 36

124 ± 37

0.028*

Clinical findings

 Body temperature (°C)

37 ± 1

38 ± 0.8

0.580

 Respiratory rate

23 ± 5

26 ± 6

0.059

 Heart rate

70 ± 20

75 ± 15

0.376

 Systolic blood pressure

149 ± 20

130 ± 30

0.146

Laboratory results

 WBC count/mm3

11,641 ± 4199

10,885 ± 3960

0.583

 MPV/PC ratio

0.030 ± 0.607

0.06 ± 0.01

0.01*

 Blood urea nitrogen, mg/dL

25 ± 14

30.5 ± 21

0.382

 Serum creatinine, mg/dL

1.5 ± 1

2.0 ± 3

0.466

  1. GCS Glasgow Coma Scale, NIHSS National Institutes of Health Stroke Scale, PSI pneumonia severity index, MPV/pc ratio mean platelet volume/platelet count ratio
  2. *Significant