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. 2018 Nov 14;13(11):e0207446. doi: 10.1371/journal.pone.0207446

Table 4. Genetic, environmental, and phenotypic correlations between TSH and fT4 levels.

ρg ρe ρp
Total -0.150
P = 0.103		 -0.056
P = 0.619		 -0.109
P < 0.001
Male -0.160
P = 0.391		 -0.083
P = 0.610		 -0.116
P < 0.001
Female -0.347
P = 0.040		 0.367
P = 0.262		 -0.114
P < 0.001

Abbreviation: ρg, genetic correlation; ρe, environmental correlation; ρp, phenotypic correlation.

Estimates were adjusted for age, sex, BMI, smoking status, log-transformed urinary iodine/creatinine ratio, and menopausal status (males were regarded not to have menopausal status); only subjects without any missing values of covariates were included (n = 2028).

Statistically significant (p < 0.05) values are in boldface.