When to believe a subgroup analysis: revisiting the 11 criteriaFarrokhyar F, Skorzewski P, Phillips MR, Garg SJ, Sarraf D, Thabane L, Bhandari M, Chaudhary V; Retina Evidence Trials InterNational Alliance (R.E.T.I.N.A.) Study Group. When to believe a subgroup analysis: revisiting the 11 criteria. Eye (Lond). 2022 Nov;36(11):2075-2077. doi: 10.1038/s41433-022-01948-0. Epub 2022 Jan 31. PMID: 35102244; PMCID: PMC9582008.