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Table 1 Baseline characteristics of study subjects

From: Association of circular RNAs and environmental risk factors with coronary heart disease

Characteristics CHD, n(%) Non-CHD, n(%) χ2 p-value
Gender    0.000 1.000
 Male 318 (54.4) 318 (54.4)   
 Female 267 (45.6) 267 (45.6)
Age    0.777 0.378
  < 65 271 (46.3) 256 (43.8)   
  ≥ 65 314 (53.7) 329 (56.2)   
Marital status    0.380 0.538
 Marriage 536 (91.6) 530 (90.6)   
 Single and others 49 (8.4) 55 (9.4)
Education level    1.108 0.575
 Below primary school 260 (44.4) 263 (45.0)   
 Middle school 257 (43.9) 265 (45.3)
 College or higher 68 (11.6) 57 (9.7)
  1. CHD coronary heart disease, Non-CHD None coronary heart disease