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Table 3 Pooled estimates of prevalence ratio by potential influential factors with meta-analysis

From: The ratio of the seroprevalence to the egg-positive prevalence of Schistosoma japonicum in China: a meta-analysis

Group IHA to KK ELISA to KK
No. of papers No. of studies Prevalence ratio (95%CI) P heterogeneity I2(%) No. of papers No. of studies Prevalence ratio (95%CI) P heterogeneity I2(%)
Total 17 46 4.72(3.87,5.76) 0.000 93.7 12 25 4.65(3.50,6.17) 0.000 91.0
Endemic level
 Low 7 10 4.89(1.92,12.43) 0.000 95.9 5 5 6.06(2.22,16.58) 0.000 84.2
 Middle 7 12 4.99(3.39,7.34) 0.000 86.6 5 6 5.92(2.74,12.80) 0.000 89.0
 High 7 10 4.05(2.93,5.60) 0.000 91.5 7 10 3.06(2.09,4.50) 0.000 88.7
Number of slides per stool
 2 4 7 3.45(2.37,5.03) 0.000 89.2 2 4 4.11(1.76,9.61) 0.000 88.2
 3 12 38 5.03(4.05,6.25) 0.000 91.7 9 18 4.41(3.20,6.08) 0.000 90.6
  ≥ 4 1 1 2.47(1.70,3.57) 1 3 10.38(5.97,18.05) 0.965 0.0
Type of endemic area
 Marshlands and lakes region 11 30 4.60(3.45,6.14) 0.000 93.8 7 16 3.73(2.48,5.60) 0.000 90.7
 Plains with water networks 4 6 3.64(2.64,5.00) 0.000 82.2 1 2 5.45(1.37,21.66) 0.000 93.3
 Hilly and mountainous regions 1 2 15.86(1.47,171.60) 0.000 95.2 2 4 7.20(3.33,15.57) 0.005 76.5
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