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Table 4 The heritability (%) and 95% CI of hypertension of different degree relatives

From: Familial aggregation and heritability of hypertension in Han population in Shanghai China: a case-control study

  Prevalence x a h2 SE 95%CI
First-degree relatives
 Control group 26.43 0.681 1.278 49.508% 0.0004 (49.507, 49.508%)
 Case group 42.64 0.251 0.962
Second-degree relatives
 Control group 15.02 1.062 1.575 23.416% 0.0003 (23.415, 23.416%)
 Case group 20.10 0.845 1.406
Third-degree relatives
 Control group 11.09 1.301 1.761 21.407% 0.0003 (21.407, 21.408%)
 Case group 15.69 1.089 1.623