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Table 1 Demographic and Clinical Characteristics of Cases by Ethnic Group

From: Additive interaction between potentially modifiable risk factors and ethnicity among individuals in the Han, Tujia and Miao populations with first-ever ischaemic stroke

  All(N = 324) Tujia(N = 178) Miao(N = 95) Han(N = 51)
Age (years) 61.6 (11.4) 62.4 (11.2) 60.9 (12.3) 60.3 (10.2)
Women 98 (30.2) 62 (34.8) 26 (27.4) 10 (19.6)
TOAST classification
 Large-artery atherosclerosis 134 (41.4) 71 (39.9) 41 (43.2) 22 (43.1)
 Cardioembolism 15(4.6) 13(7.3) 2(2.1)
 Small-vessel occlusion 168 (51.9) 90 (50.6) 50 (52.6) 28 (54.9)
 Stroke of other determined etiology 4(1.2) 2(1.1) 1(1.1) 1(2.0)
 Stroke of undetermined etiology 3(0.9) 2(1.1) 1(1.1)
NIHSS score
 0(no stroke symptoms) 45 (13.3) 26 (14.6) 10 (10.5) 6 (11.8)
 1–4(minor stroke) 170 (50.1) 81 (45.5) 58 (61.1) 25 (49.0)
 5–15(moderate stroke) 115 (33.9) 66 (37.1) 27 (28.4) 18 (35.3)
 16–20(moderate to severe stroke) 9(2.7) 5(2.8) 2(3.9)
CT or MRI of brain 324 (100.0) 178 (100.0) 95 (100.0) 51 (100.0)
ECG 324 (100.0) 178 (100.0) 95 (100.0) 51 (100.0)
  1. Date are mean (SD) or number(%). Abbreviation: TOAST indicates Trial of Org 10,172 in Acute Stroke Treatment, NIHSS National Institutes of Health Stroke Scale, CT Computed tomography, MRI magnetic resonance imaging, ECG electrocardiography