Response to ‘A seemingly ineffective study on menopausal memory problems’

[摘要] Your correspondents1 raise some interesting issues and ask for more clarity about the sample. In terms of the population, the practice involved in the study has a list of 9000 patients with the age distribution the same as the national average and a full mix of socioeconomic groups with emphasis on 3 and 4. The selection of women was by random number generation, with a specific number being randomly selected from from each age band.

[学科分类] 卫生学