Research Article

Serum Interleukin-37 Increases in Patients after Ischemic Stroke and Is Associated with Stroke Recurrence

Table 1

Baseline characteristics of 310 stroke patients.

Ischemic stroke patients

Age, medians (IQRs) (years)66 (56-75)
Sex-female ( (%))180 (58.1)
BMI, medians (IQRs) (kg/m2)25.5 (23.9-26.8)
Vascular risk factors ( (%))
 Hypertension199 (64.2)
 Diabetes101 (32.6)
 Hypercholesterolemia109 (35.2)
 Atrial fibrillation36 (11.6)
 Cardiovascular diseases59 (19.0)
 TIA28 (9.0)
 Family history of stroke21 (6.8)
 Smoking66 (21.3)
 Drinking59 (19.0)
Prestroke treatment ( (%))
 Antihypertensive162 (52.3)
 Hypoglycemic81 (26.1)
 Anticoagulants26 (8.4)
 Antiplatelet agents77 (24.8)
Acute treatment ( (%))
 TPA-T32 (10.3)
 Mechanical thrombectomy11 (3.5)
 TPA-T and/or mechanical thrombectomy38 (12.3)
Stroke etiology no. (%)
 Small-vessel occlusive68 (21.9)
 Large-vessel occlusive90 (29.0)
 Cardioembolic106 (34.2)
 Other30 (9.7)
 Unknown16 (5.2)
 NIHSS score at admission, medians (IQRs)6 (3-11)
141 (45.5)
 Lesion volumes at admission (), median (IQR) (ml)15 (5-31)
Laboratory findings at admission, medians (IQR)
 Il-37 (pg/ml)344.1 (284.4-405.3)
 Il-6 (ng/ml)12.8 (9.2-16.9)
 CRP (mg/l)5.5 (2.4-9.3)
 FSG (mmol/l)5.81 (5.21-6.33)
Follow-up at 3-month
 mRS score, medians (IQR)1 (0-2)
  81 (26.1)
 Stroke recurrence ( (%))36 (11.6)

IQR: interquartile range; BMI: body mass index; NIHSS: National Institutes of Health Stroke Scale; TPA-T: tissue plasminogen activator-treated; CRP: C-reactive protein; IL-37: interleukin-37; IL-6: interleukin-6; FSG: fasting serum glucose; mRS: modified Rankin scale.