highly significantP < 0.001
The difference between the empirically determined DGRD and the midpoint of the Endocrine Society DGRD remains highly significant (13.9 ± 6 mg vs 20 mg, respectively; P < 0.001).
The difference between the empirically determined DGRD and the midpoint of the Endocrine Society DGRD remains highly significant (13.9 ± 6 mg vs 20 mg, respectively; P < 0.001).
4 , there was a nonsignificant trend for the empirically determined DGRD to correlate with age ( r 2 = 0.27; P = 0.008).