1. A statistical analysis technique that examines regression relationships within specific subsets or subgroups of a larger population or dataset
The researchers performed subgroup regression to analyze how treatment effects varied across different age groups.
Os pesquisadores realizaram regressão de subgrupo para analisar como os efeitos do tratamento variavam entre diferentes grupos etários.
2. In epidemiology and clinical research, the stratified analysis of regression models to identify differential effects or interactions within defined population subgroups
Subgroup regression revealed that the medication was more effective in female patients than male patients.
A regressão de subgrupo revelou que o medicamento era mais eficaz em pacientes do sexo feminino do que do sexo masculino.