Table 4.

Overview of database search results (January 2000–September 2010) and the included number of papers

Food group	Number of abstracts retrieved	Potentially meeting eligibility criteria	Selected for quality assessment	Included studies by outcome*
Potatoes	367	11	2	1 – type 2 diabetes
Berries	958	10	7	2 – CVD/CHD 5 – inflammatory markers
Whole grains	1,919	32	20	6 – CVD/CHD 6 – type 2 diabetes 2 – inflammatory markers 4 – colorectal cancer
Milk and milk products	2,379	88	45	6 – CVD/CHD (+ 2 SRs) 7 – type 2 diabetes, intermediate biomarkers of diabetes 1 – inflammatory markers 8 – prostate cancer 3 – breast cancer 1 – bone health
Red and processed meat	1,659**	93	13	4 – CVD/CHD 1 – iron status

^*Includes studies graded A or B, but not C.

^**Includes abstracts on meat and colorectal cancer.