Fig. 2
From: Analysis of low-dose estrogen on callus BMD as measured by pQCT in postmenopausal women
a: Bone-specific alkaline phosphatase activity levels of estrogen-treated patients (E2) and patients of the placebo control group (placebo). Bone-specific alkaline phosphatase activity levels were measured in blood samples of the patients directly after the surgery (post-op) and 6 weeks (6 weeks) later. Error bars show standard deviation. b: Estrogen levels of estrogen-treated patients (E2) and patients of the placebo control group (placebo). Estrogen levels were measured in blood samples of the patients directly after the surgery (post-op) and 4 weeks (4 weeks) later. Note the significant increase (p*** = 0.0003) of estrogen levels in response to transdermal estrogen treatment over a period of 4 weeks. n (E2) = 31; n (placebo) = 45