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Table 1 Prevalence of the traits by zygosity and the p value of the difference between zygosities

From: A common genetic factor underlies hypertension and other cardiovascular disorders

trait MZ prevalence (%) n = 1050 DZ prevalence (%) n = 1154 p
HPT 131 (12.5) 181 (15.7) 0.052
RP 111 (10.6) 131 (11.4) 0.584
MIG 264 (25.1) 266 (23.1) 0.290
CAD 71 (6.8) 76 (6.6) 0.873
  1. n represents number of twins, MZ monozygotic, DZ dizygotic, HPT hypertension, RP Raynaud's phenomenon, MIG migraine, CAD coronary artery disease