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Table 1 Demographic and clinical characteristics of both TAD cases and healthy controls in a Chinese Han Population

From: Association of MMP-2 gene haplotypes with thoracic aortic dissection in chinese han population

Items Controls (n = 440) TAD patients (n = 315) p Value
Age 51.3 ± 14.4 51.3 ± 11.1 NS
Gender (male) n (%) 223 (50.7) 241 (76.5) <0.01
Smoking n (%) 191 (43.4) 153 (48.6) NS
Alcohol n (%) 92 (20.9) 75 (23.8) NS
Diabetes n (%) 65 (14.8) 53 (16.8) NS
Hypertension n (%) 367 (83.4) 258 (81.9) NS
Dyslipidaemia n (%) 258 (58.6) 198 (62.9) NS
CAD n (%) 73 (16.6) 68 (21.6) NS
  1. Abbreviations: TAD thoracic aortic dissection, CADcoronary artery disease, NS not significant. Continuous data were tested using 2-tailed Student t test and categorical data were tested using a Pearson χ 2 test (with df = 1) for differences between TAD (patient) and control (normal) groups