Subject: treatment by strata interaction pharm. Change in BMI from baseline at 20 weeks, will be analyzed using a normal linear regression model with treatment, strata, treatment by strata interaction, sex, and region as factors, and age and BMI at baseline as covariate. Changes and treatment differences within each stratum will be estimated.Подскажите, пожалуйста, как здесь перевести "treatment by strata interaction"? |
зависимость вида лечения от страты |
спасибо |
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