posted on 2022-10-20, 18:04authored byDafina Petrova, Zuzana Špacírová, Nicolás Francisco Fernández-Martínez, Ana Ching-López, Dunia Garrido, Miguel Rodríguez-Barranco, Marina Pollán, Daniel Redondo-Sánchez, Carolina Espina, Camila Higueras-Callejón, Maria José Sánchez
Note: k = number of studies/estimates; N = number of patients; med = pooled median; LLCI and ULCI = lower level and upper level confidence interval, respectively; Difference = pooled median for high-income countries minus pooled median for lower-income countries; Breast cancer excludes pregnancy-associated breast cancer; p = p-value from a moderator test in a random-effects model, *<0.05, **<0.01, ***<0.001; R2 = percentage of variance in the outcome explained by the moderator. When k = 1, the median from the single located study is reported.