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Table 3 Mean faecal egg counts for Ascaris lumbricoides, Trichuris trichiura, hookworm and Schistosoma mansoni infections based on the examination of both individual and pooled samples (pool size of 5, 10 and 20)

From: Comparison of individual and pooled stool samples for the assessment of intensity of Schistosoma mansoni and soil-transmitted helminth infections using the Kato-Katz technique

Pool size Sample size A. lumbricoides T. trichiura Hookworm S. mansoni
Mean FEC (EPG) (95 % CI) p-value Mean FEC (EPG) (95 % CI) p-value Mean FEC (EPG) (95 % CI) p-value Mean FEC (EPG) (95 % CI) p-value
1 360 2,596.3 (1,688.4; 3,588.5) _ 126.0 (66.9; 206.1) _ 40.7 (23.9; 64.7)   47.3 (31.2; 66.3) _
5 72 2,281.7 (1,271.6; 3,521.0) 0.11 95.3 (65.0; 131.0) 0.39 26.3 (15.7; 39.7) 0.23 61.7 (40.7; 86.3) 0.12
10 36 2,367.3 (1,246.0; 3,688.7) 0.54 73.3 (49.3; 100.0) 0.11 6.7 (2.7; 12.0) <0.01 52.0 (29.3; 79.3) 0.68
20 18 3,008.0 (853.3; 6,161.5) 0.50 70.7 (36.0; 116.0) 0.11 24.0 (6.7; 46.7) 0.40 53.3 (26.7; 82.7) 0.64
  1. FEC faecal egg counts, EPG eggs per gram of stool