Table 3. Comparison of expression and phosphorylation levels of biological markers between pre- and postmenopausal women.

	Premenopausal (mean ± SD)	Postmenopausal (mean ± SD)	P
Ki67 LI (%)	14.1 ± 13.1	11.9 ± 9.7	0.43
ER (%)	76.6 ± 25.0	81.3 ± 22.1	0.19
PgR (%)	63.5 ± 36.1	30.2 ± 32.1	<0.001*
AR (%)	21.9 ± 25.3	38.5 ± 31.6	<0.001*
VDR (%)	15.3 ± 17.7	16.8 ± 14.9	0.29
pAKT (score)	127.3 ± 86.8	94.1 ± 75.1	0.014*
pER (%)	24.1 ± 20.9	20.9 ± 18.7	0.27

LI: labeling index; pAKT: AKT phospho-Ser473; pER: ERα phospho-Ser167.

^*P < 0.05 is considered significant.