Figure 3. Readmissions Funnel Plot of Statistical Tests of Publication Bias.

For the classic Egger test for funnel plot asymmetry, t₁₂ = 1.656 (P = .12). For the mixed-effects version of the Egger test, z = 1.763 (P = .08). For the trim-and-fill test, z = 3.387 (P < .001).