Dr. Nicolaides and co-investigators conducted a post hoc subgroup analysis of 214 women with short cervix (< 25 mm), which also showed no benefit from the insertion of a cervical pessary. (sciencedaily.com)
Although the results of the meta - regression showed no evidence of significant heterogeneity between subgroups, summary association estimates were slightly different in subgroup analyses by study design and exposure assessment. (academic.oup.com)
To examine the magnitude of the combined RR in each stratum and its respective test of heterogeneity, we conducted subgroup analyses by gender, cancer sites, and geographic regions. (bmccancer.biomedcentral.com)