Table 8. Therapeutic effect of IgY against Diarrhea in Piglets.

Study	No. of mortality by diarrhea (or) No. with diarrhea/No. in Group (%)		Outcome measure considered - Mortality (M) or Diarrhea (D)	Relative Risk (RR)	95% Confidence Interval (CI)
	Intervention	Control
Animal Class: Pig
Bacterial Pathogen
Yokoyama 1992	0/7 (0)	6/7 (86)	M	0.077	0.00521 to 1.136
	0/4 (0)	4/4 (100)	M	0.111	0.00814 to 1.516
	0/5 (0)	4/5 (80)	M	0.111	0.00768 to 1.608
Xiao 1998	0/7 (0)	6/7 (85.7)	M	0.077	0.00521 to 1.136
	0/7 (0)	5/7 (71.4)	M	0.091	0.00603 to 1.370
Yang 2002	0/7 (0)	6/7 (85.7)	M	0.077	0.00521 to 1.136
	0/4 (0)	4/4 (100)	M	0.111	0.00814 to 1.516
	0/5 (0)	4/5 (80)	M	0.111	0.00768 to 1.608
Xu 2002	0/6 (0)	2/6 (33.3)	M	0.200	0.0117 to 3.406
	0/6 (0)	4/6 (66.7)	M	0.111	0.00738 to 1.673
	0/6 (0)	3/6 (50)	M	0.143	0.00907 to 2.249
Chu 2006	0/8 (0)	2/8 (25)	M	0.200	0.0112 to 3.576
Viral Pathogen
Song 2003	1/6 (16.7)	6/6 (100)	M	0.167	0.0278 to 0.997
Cui 2012	0/10 (0)	10/10 (100)	M	0.048	0.00318 to 0.712
Pooled random effects				0.112	0.0558 to 0.223

Test for Heterogeneity: Q = 1.12; DF = 13; P = 1.0, I² = 0% (95% CI for I² = 0.00 to 0.00).