Table 2.

FAO areas infection values according to Bush et al. 1997. Comparison of prevalence (χ² ) of infection between different FAO areas

FAO areas	Individuals	Infected	P (%)	IC (±) 95 %	χ2	p	MA	± SD	MI	± SD
Total sampling areas	771	251	32.55	3.30	106.25	p < 0.0001	14.13	77.18	43.41	48.46
21	130	41	31.53	7.98			3.61	10.07	11.46	15.33
27	196	111	56.63	6.93			50.57	85.89	89.30	97.91
34	100	0	0.00	0.00			0.00	0.00	0.00	0.00
41	190	63	33.15	6.69			1.97	4.75	5.95	6.68
47	155	36	23.22	6.64			0.89	4.10	3.86	7.89