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IRIS-TB comparison between low CD4 T cell and low CD4 T cell at baseline. Among 917 participants with low CD4 T cell count at baseline, 238 (26.0%) developed IRIS-TB compared with 176 of 1232 (14.3%) in high CD4 group [5 studies; relative risk, RR, 1.47 (95% CI, 1.24-1.75); I2 = 58%].
