Tear Levels of Inflammatory Cytokines in Keratoconus: A Meta-Analysis of Case-Control and Cross-Sectional Studies

Figure 4

Forest plot for SMD and 95% CI of IL-6 in tears by keratoconus versus the control group. (a) The pooled effect of IL-6 in all studies. (b) Sensitivity analysis of IL-6 in tears by omitting one study in each turn. (c) Subgroup analysis of IL-6 in tears by detection methods.

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