Serum level changes of BTMs during the chemotherapy process.

Values were presented as mean± SD.*Statistically significant at P 25(OH)D, 25-hydroxvitamin D; PTH, parathyroid hormone; E2, estradiol; FSH, follicle-stimulating hormone.C0, the day of initial diagnosis before chemotherapy;C1, 24 hours after the first cycle of chemotherapy;C2, 24 hours after the second cycle of chemotherapy;C3, 24 hours after the third cycle of chemotherapy;C4, 24 hours after the fourth cycle of chemotherapy.Pa: comparison between the healthy control and the baseline of patients;Pb: comparison between the baseline (C0) and after the 4th cycle of chemotherapy (C4).Serum level changes of BTMs during the chemotherapy process.