Table 5.

Prevalence estimates of MRSA in farming environment substrates, in different farming phases, as estimated by Generalized Estimating Equations on data from the literature review.

Breeding Phases	N° of Data Collections	N° of Tested Environmental Substrates	N° of Positive Environmental Substrates	Prevalence (%)	CI Min	CI Max	Resulting Level 1
Not specified 2	1	112	22	19.64 *	13.29	28.03	1
0–70 days 3	4	20	5	25.00 *	10.80	47.83	2
70–100 days 3	8	40	10	25.00	13.73	41.10	2
>100 days 3,4	10	90	58	64.33	49.86	76.59	4

* Results from ordinary logistic regression. ¹ Resulting level based on prevalence ranges reported in Table 1. ² [51]. ³ [33]. ⁴ [9].