32 We used the cutoff proposed by the Swedish Quality and Standardization Committee KVAST of having one third of tumors determined Ki 67 high, but adjusted this to a matched regional population, as we assumed that the cohort of stage I and IIA tumors generally have a lower Ki 67 score than the entire breast cancer cohort http://doxycycline.world/>what does doxycycline treat No significant differences were detected between the treatment groups in terms of PgR and Ki67 expression