From: The first combined meta‐analytic approach for elucidating the relationship of circulating resistin levels and RETN gene polymorphisms with colorectal and breast cancer
Cancer type
Sample type
Egger’s p-value
Begg-Mazumdar’s
p-value
Colorectal cancer
Overall
0.044
0.280
Serum
0.284
0.404
Plasma
0.968
0.652
Breast cancer
0.0005
0.015
Premenopausal
0.075
0.624
Postmenopausal
0.005
0.532