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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