The prevalence and anatomy of accessory navicular bone: a meta-analysis.

In relation to the I2 statistic, the heterogeneity was found to “may not be significant” at values of 0–40%, “may indicate moderate heterogeneity” at 30–60%, “may indicate substantial heterogeneity” at 50–90%, and “may represent considerable heterogeneity” at 75–100%.

also in 2,774 other papers