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Table 1 Comparison of baseline characteristics between patients with no PSI and PSI groups

From: Increased neutrophil-to-lymphocyte ratio predicts the development of post-stroke infections in patients with acute ischemic stroke

 

no PSI group (412)

PSI group (194)

OR(95%CI)

P*

Age, y (Mean SD)

65.85 ± 10.06

68.59 ± 10.72

 

0.001

NIHSS score, median (IQR)

8(6–11)

10(7–13)

 

< 0.001

NLR, median (IQR)

4.25(2.92–6.45)

6.99(4.93–8.31)

 

< 0.001

Procalcitonin, μg/l (Mean SD)

0.54 ± 4.92

1.81 ± 0.86

 

< 0.001

NLR ≥ 5.79,n(%)

121(29.37)

128(65.78)

4.66(3.24–6.72)

< 0.001

Females,n(%)

220(53.40)

90(46.39)

0.73(0.52–1.03)

0.107

Men,n(%)

192(46.60)

104(53.61)

0.760.54–1.06)

0.107

BMI ≥ 24 kg/m, n(%)

117(28.40)

62(31.96)

0.79(0.56–1.13)

0.192

Hypertension,n(%)

273(66.26)

118(60.82)

0.79(0.56–1.13)

0.192

Current Smoking,n(%)

104(25.24)

59(30.41)

1.29 (0.89–1.89)

0.181

Current alcohol drinking,n(%)

122(29.61)

61(31.44)

1.09(0.75–1.58)

0.647

Diabetes, n(%)

138(33.50)

73(37.62)

1.20(0.84–1.71)

0.319

Hyperlipidemia,n(%)

237(57.52)

97(50.00)

0.74(0.52–1. 04)

0.082

Thrombolytic therapy, n(%)

68(16.50)

36(18.56)

1.15(0.74–1.80)

0.532

Thrombectomy, n(%)

25(6.07)

8(4.12)

0.67(0.30–1.50)

0.325

Thrombolytic therapy+ Thrombectomy,n(%)

5(1.21)

4(2.06)

1.71(0.46–6.45)

0.421

Family history of stroke,n(%)

84(20.39)

38(19.59)

0.95(0.62–1.50)

0.819

Etiological classification

 Large artery atherosclerosis,n(%)

137(33.25)

70(36.08)

1.13(0.79–1.62)

0.493

 Cardioembolism,n(%)

69(16.75)

31(15.98)

0.95(0.60–1.50)

0.812

 Lacunar, n(%)

122(29.61)

62(31.96)

1.12(0.77–1.61)

0.558

 Other known causes, n(%)

5(1.21)

2(1.03)

0.85(0.16–4.41)

0.844

 Undetermined, n(%)

82(19.90)

30(15.46)

0.74(0.47–1.16)

0.189

 Nasogastric tube feeding

33(8.01)

39(20.10

2.89(1.75–4.76)

< 0.001

 Indwelling urinary catheter

48(11.65)

52(26.80)

2.77(1.79–4.30)

< 0.001

Medications use

 Antiplatelet, n(%)

110(26.70)

57(29.38)

1.14(0.78–1.67)

0.491

 Antihypertensive, n(%)

220(53.40)

99(51.03)

0.91(0.65–1.28)

0.586

 Lipid-lowering medications, n(%)

182(44.17)

78(40.21)

0.85(0.60–1.20)

0.357

  1. Bold indicates P-values less than 0.05.
  2. *Comparison between no PSI and PSI groups. The data are presented as median values (interquartile range [IQR]), numbers (%), or mean values (±standard deviation). Categorical variables are expressed as frequency (percent) for P values Continuous variables are expressed as mean ± standard deviation (SD). Baseline characteristics were compared between the 2 subgroups by univariate analysis using Pearson χ2, distributions of continuous variables were determined by the Kolmogorov–Smirnov test, Mann–Whitney two sample test was applied in case of non-normal distributions
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BMC Neurology

ISSN: 1471-2377

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