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Table 1 Comparison of clinical characteristics between survival and mortality groups in ischemic and hemorrhagic strokes

From: Prediction of in-hospital stroke mortality in critical care unit

Variablesa

Ischemic stroke (n = 611)

Hemorrhagic stroke (n = 805)

Survival (n = 514)

Mortality (n = 97)

P

Survival (n = 641)

Mortality (n = 164)

P

Age (years)

69.8 ± 13.5

75.6 ± 12.9

<0.01

62.0 ± 14. 6

61.9 ± 15.7

0.92

Male, n (%)

304 (59.1)

45 (46.4)

0.03

387 (60.4)

111 (67.7)

0.10

BMI (kg/m2)

23.5 ± 4.1

23.1 ± 4.3

0.43

23.8 ± 4.3

23.7 ± 4.6

0.84

NIHSS

16.4 ± 10.1

26.2 ± 10.1

<0.01

17.4 ± 13.3

35.0 ± 9.1

<0.01

Vital signs

 BT (°C)

36.7 ± 0.7

36.8 ± 0.8

0.39

36.8 ± 0.8

37.0 ± 1.5

0.10

 Pulse (per min)

83.0 ± 19.6

85.0 ± 19.1

0.36

81.1 ± 16.5

89.0 ± 27.0

<0.01

 SBP (mmHg)

147.0 ± 27.4

146.8 ± 35.0

0.96

148.2 ± 27.1

139.0 ± 48.8

0.03

 DBP (mmHg)

83.0 ± 16.5

79.1 ± 22.4

0.12

83.6 ± 17.2

79.3 ± 27.3

0.06

Laboratory data

 WBC count (109/L)

9.3 ± 4.5

10.7 ± 5.2

0.02

10.6 ± 4.6

12.0 ± 5.4

<0.01

 Creatinine (mg/dL)

1.2 ± 0.9

1.4 ± 1.6

0.21

1.1 ± 1.0

1.7 ± 2.2

<0.01

 BUN (mg/dL)

18.1 ± 12.0

24.0 ± 16.1

<0.01

16.8 ± 11.1

24.6 ± 18.4

<0.01

 BUN/Cr ratio

16.8 ± 6.9

20.4 ± 10.8

<0.01

17.0 ± 8.4

18.3 ± 9.5

0.15

 GFR

77.4 ± 33.6

67.1 ± 31.7

0.01

87.0 ± 35.7

79.1 ± 41.3

0.03

History of comorbidity, n (%)

 Hypertension

386 (75.1)

77 (79.4)

0.44

453 (70.7)

123 (75.0)

0.32

 Diabetes mellitus

179 (34.8)

35 (36.1)

0.90

138 (21.5)

46 (28.0)

0.09

 Heart disease

227 (44.2)

48 (49.5)

0.39

81 (12.6)

38 (23.2)

<0.01

 Dyslipidemia

87 (16.9)

12 (12.4)

0.33

27 (4.2)

9 (5.0)

0.62

 Previous stroke

160 (31.1)

34 (35.1)

0.52

94 (14.7)

22 (13.4)

0.78

  1. BMI body mass index, BT body temperature, BUN blood urea nitrogen, BUN/Cr ratio BUN/Creatinine ratio, GFR glomerular filtration rate according to the Modification of Diet in Renal Disease (MDRD) study equation, ICU intensive care unit, NIHSS National Institutes of Health Stroke Scale, SBP systolic blood pressure, DBP diastolic blood pressure, WBC white blood cell
  2. aVariables are reported as mean ± standard deviation or number (percentage)