Author	Year	Country	a_t + b_t + d_t	N_t	(a_t + b_t + d_t)/N_t	X² (Sine)	k	p value (k)
Eluf-Neto et al., 1994 [7]	1994	Brazil	392	424	0.924528302	4.53082192	0.66941066	3.18104E−43
Ngelangel et al., 1998 [8]	1998	Philippines	714	737	0.968792402	1.37195122	0.84304507	6.2931E−116
Chichareon et al., 1998 [9]	1998	Thailand	617	638	0.967084639	1.75104167	0.79508743	1.04251E−89
Chaouki et al., 1998 [10]	1998	Morocco	361	371	0.973045822	0.57484076	0.74972995	2.8642E−47
Rolón et al., 2000 [11]	2000	Paraguay	200	204	0.980392157	0.15909091	0.78631137	2.87949E−29
Franceschi et al., 2003 [12]	2003	India	417	418	0.997607656	0.0016129	0.7432314	3.7933E−52
Asato et al., 2004 [13]	2004	Japan	3560	3605	0.987517337	0.66877744	0.60055085	1.0309E−284
Bernal et al., 2008 [14]	2008	Spain	1256	1260	0.996825397	0.01232394	0.39572399	8.05848E−45
		Total	7517	7657	0.981716077	9.07046076	0.723669245
				Alpha =		0.05
				Degrees of freedom =		8	Degr. of fr. =	1
				X² (Critical) SINE =		15.5073131	Chi crit. k =	3.841458821
				X² (Calculated) SINE =		9.07046076	X² calc. (k) =	4009.949276
							K =	0.723669245