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Table 4 Estimated pooled prevalence of oestrosis in goats by world region

From: The global and regional prevalence of oestrosis in sheep and goats: a systematic review of articles and meta-analysis

World region No. of studies No. of goats sampled No. of positive goats Pooled estimate % 95% CI Heterogeneity (χ2) I2 (%) P-value
Global estimate 26 18,216 6583 42.19 33.43–50.95 5277.62 99.5 < 0.0001
Africa 10 6179 3207 48.56 33.04–64.09 1247.18 99.3 < 0.0001
Asia 10 8651 2028 37.01 25.91–48.11 1656.08 99.4 < 0.0001
Europe 6 3386 1348 40.93 28.93–52.92 291.83 97.9 < 0.0001
North and South Americaa 0
  1. aNo records of goat oestrosis from North or South America
  2. Abbreviations: CI, confidence interval; χ2, Cochran’s Q Chi square; I2, inverse variance index