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Table 3 Subgroup analysis based on the publication year of studies

From: Epidemiology of self-medication in Ethiopia: a systematic review and meta-analysis of observational studies

Year of publications Number of publications Pooled estimate (95% CI) Heterogeneity (I2)
Before 2010 5 28.5% (20.4, 36.5) 99.0%
2010–2014 8 34.9% (23.0, 46.8) 97.8%
2015–2018 14 54.5% (42.4, 66.7) 98.9%
Overall 27 44.0% (35.1, 52.8) 99.01%
  1. CI confidence interval