Table-5.

Prevalence of Listeria monocytogenes contamination in ready-to-eat foods.

Item	Country	No. of Papers	Effect size	95% CI	Weight	I Squared (%)	p-value
	Spain	2	0.25	0.08, 0.43	27.61	86.6	<0.001
Milk products	Italy	1	0.02	0.52, 0.56	2.75	0	<0.001
	Sweden	1	0.36	0.29, 1.05	1.79	0	<0.001
	Estonia	2	0.21	0.07, 0.35	41.28	0	0.578
	India	2	0.05	0.23, 0.33	10.6	0	0.886
	Ethiopia	2	0.07	0.15, 0.30	15.97	0	0.678
	Overall	10	0.18	0.09, 0.27	100	46.5	0.044
Fish products	Spain	2	0.08	0.02, 0.14	28.24	0	0.685
	Italy	1	0.34	0.20, 0.48	5.66	0	0.001
	Japan	1	0.08	−0.01, 0.14	21.13	0	0.999
	Turkey	1	0.12	−0.25, 0.49	0.8	0	0.001
	Sebia	1	0.25	0.15, 0.36	9.88	41.7	0.19
	Northern Ireland	1	0.01	−0.31, 0.34	0.01	0	0.001
	Sweden	1	0.12	0.06, 0.19	25.84	0	0.449
	Greece	1	3.34	−0.12, 0.24	3.34	0	0.923
	Estonia	1	0.06	−0.42, 0.53	0.48	0	0
	Iran	1	0.06	−0.20, 0.30	1.78	12.4	0
	Egypt	1	0.23	−0.01, 0.48	1.84	0.423	0
	Overall	12	0.12	0.09, 0.15	100.0	12.4	0.289
Pork products	Spain	1	0.08	0.03, 0.14	100	0	0.736
Ready-to-eat salads	Italy	1	0.27	0.16, 0.38	13.91	0	0
	Turkey	1	0.18	−0.35, 0.71	0.56	0	0
	Northern Ireland	1	O.O4	−0.13, 0.20	5.8	0	0
	Estonia	1	0.19	0.11, 0.26	27.69	0	0
	Iran	1	0.31	0.03, 0.59	1.96	0	0
	United Kingdom	1	0.04	−0.06, 0.13	17.13	0	0
	Malaysia	3	0.14	0.07,0.22	26.31	25.4	0.235
	Brazil	2	0.68	0.38, 098	1.76	85	0.001
	Nigeria	2	0.2	0.02, 0.38	4.89	46.6	0.171
	Overall	13	0.16	0.12, 0.20	100.0	62.4	<0.001
Beef products	Japan	1	0.07	0.21,0.35	0.58	0	0.787
	Northern Ireland	1	0.12	−0.00,0.24	3.08	0	0
	Sweden	1	0.61	0.49,0.73	3.11	0	0
	Estonia	1	0.02	−0.00,0.04	80.32	0	0
	Iran	2	0.33	0.21,0.45	3.13	95.5	0.001
	United Kingdom	1	0.02	−0.16,0.20	1.4	0.991	0.001
	Malaysia	1	0.07	−0.28,0.41	0.39	0	0
	China	4	0.05	0.03,0.12	7.75	0	0.743
	Thailand	1	0.27	−0.16,0.71	0.24	90.3	0.001
	Overall	13	0.16	0.12, 0.20	100.0	62.4	<0.001
Chicken products	Turkey	1	0.1	−0.11, 0.32	7.7	0	0
	Iran	1	0.26	0.07, 0.45	9.93	0	0
	Malaysia	1	0.22	0.05, 0.40	11.64	0	0.972
	China	2	0.07	−0.06, 0.20	20.5	0	0.965
	Jordan	1	0.56	−0.43, 0.70	18.95	86.5	0.001
	Sudan	1	0.12	−0.02, 0.23	31.28	0	0.879
	Overall	7	0.22	−0.16, 0.28	100.0	72.1	<0.001
Assorted ready-to-eat	Italy	1	0.1	−0.19,0.39	2.44	0	0
	Japan	1	0.09	−0.05, 0.24	9.85	0	0
	Greece	1	0.1	−0.10, 0.31	4.86	0	0.986
	Estonia	1	0.47	0.26, 0.67	5.09	80.7	0.023
	Algeria	1	0.14	−0.34, 0.83	0.9	0	0
	Ethiopia	1	0.1	0.10, 0.30	5.45	0	0.916
	United Kingdom	3	0.22	0.14, 0.30	33.65	0	0.411
	Malaysia	1	0.1	−0.04, 0.23	11.64	0	0.609
	Nigeria	1	0.48	0.35, 0.61	12.06	0	0
	China	1	0.06	−0.28, 0.41	1.8	0	0
	Thailand	1	0.14	0.01, 0.27	12.24	54.7	0.002
	Overall	13	0.21	0.16, 0.25	100.0	54.7	0.002