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Table 1 Baseline characteristics of the patients with and without SAP

From: Risk factors of stroke-associated pneumonia in patients with acute ischemic stroke treated by endovascular thrombectomy

Variables

Total (n = 233)

Non-SAP (n = 102)

SAP (n = 131)

P

Demographics

    

 Age (years)

67.52 ± 12.68

66.55 ± 11.80

68.27 ± 12.68

0.197

 Male (%)

147 (63.09)

64 (62.75)

83 (63.36)

0.923

Comorbidities (%)

    

 Hypertension

128 (54.94)

58 (56.86)

70 (53.44)

0.602

 Diabetes

43(18.45)

23 (22.55)

20 (15.27)

0.155

 Atrial fbrillation

66 (28.33)

25 (24.51)

41 (31.30)

0.254

Clinical parameters

    

 Admission NIHSS score

12 (8, 16)

11 (6, 15)

13 (10, 18)

0.004

 Procedural time (min)

95 (65, 125)

80.5 (55, 101.75)

110 (77.5, 140)

0.000

 Dysphagia (%)

48 (20.60)

12 (11.76)

36 (27.48)

0.003

 Occlusion site (%)

   

0.060

  Anterior circulation

204 (87.55)

94 (92.16)

110 (83.97)

 

  Posterior circulation

29 (12.45)

8 (7.84)

21 (16.03)

 

Laboratory parameters

    

 WBC (×109/L)

9.7 (7.68, 11.36)

9.06 (7.07, 10.91)

10.21 (8.08, 11.72)

0.007

 Neutrophils (×109/L)

7.56 (5.47, 9.44)

7.07 (5.12, 9.06)

8.12 (6.06, 9.97)

0.002

 Lymphocyte (×109/L)

1.24 (0.90, 1.70)

1.33 (1.02, 1.79)

1.21 (0.83, 1.61)

0.036

 Eosinophils (×109/L)

0.05 (0.02, 0.13)

0.08 (0.02, 0.12)

0.03 (0.01, 0.10)

0.007

 NLR (%)

6.23 (3.65, 10.02)

5.31 (2.86, 7.76)

6.91 (4.01, 11.25)

0.011

 Fibrinogen (g/L)

3 (2.63, 3.61)

3.02 (2.64, 3.61)

3 (2.62, 3.60)

0.845

 Serum calcium (mmol/L)

2.26 ± 0.13

2.27 ± 0.14

2.26 ± 0.13

0.420

  1. *SAP: stroke-associated pneumonia; WBC: white blood cell; NLR: neutrophil-lymphocyte ratio