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. 2020 Dec 14;15(4):957–967. doi: 10.1002/1878-0261.12865

Table 2.

Tamoxifen metabolite concentrations. Concentrations are in nm. N = 406. CV, coefficient of variation (interpatient variability); Tam, tamoxifen; ND, n‐desmethyl; NNDD, N,N‐di‐desmethyl tamoxifen.

Tam NDtam Z‐endoxifen Z‐4'‐endoxifen Z‐4OHtam Z‐4'‐OHtam TamNoX NNDDtam
Mean 365.9 694.9 28.7 20.8 5.0 6.9 49.9 94.7
Median 341.2 655.8 26.6 19.6 4.8 6.6 43.1 89.7
CV 36.9 38.2 53.8 38.8 41.1 35.5 55.0 43.5