Table 3.

Changes in the number of masses in all participants and in single and multiple fibroadenomas

	Metformin Group	Placebo Group	p-value
Single mass-total; n (%)	39 (100)	56 (100)	0.74
Disappearance	4 (10.2)	7 (12.5)
Without change	34 (87.2)	46 (82.1)
Increased number	1 (2.6)	3 (5.4)
Multiple mass-total; n (%)	44 (100)	36 (100)	0.08
Disappearance	6 (13.6)	3 (8.3)
Without change or decreased	34 (77.3)	23 (63.9)
Increased number	4 (9.1)	10 (27.8)
In all cases; n (%)	83 (100)	92 (100)	0.21
Disappearance	10 (12.1)	10 (10.9)
Without change or decreased	68 (81.9)	69 (75)
Increased number	5 (6)	13 (14.1)

P-value refers to Chi-square test.