Table 3. Publication bias tests for association between TGF-β1 T869C polymorphism and IS.

Comparisons	Egger test			Begg test
	Coefficient	P value	95%CI	P value
C vs. T	0.53	0.97	(−0.63,0.65)	0.91
CC vs. TT	4.32	0.35	(−6.92,15.57)	0.35
CT vs. TT	−3.93	0.24	(−11.82,3.94)	0.24
CC+CT vs. TT	−2.85	0.48	(−13.06,7.36)	0.48
CC vs. CT+TT	3.15	0.32	(−4.50,10.79)	0.32