Table 3. Comparison of the effects of Vitex and placebo consumption on clinical characteristics of women with PCOS.
Variables Vitex (n=30) Placebo (n=30) p-value† Cohen’s d p-value§
OV. Right (CC)
Before
After
14.58±0.75
12.06±0.53
13.75±0.73
12.30±0.54
0.43
0.76
1.12
-0.44		 0.1
p-value‡ 0.001 0.001
OV. Left (CC)
Before
After
14.51±0.71
12.81±0.55
13.58±0.70
13.28±0.63
0.35
0.58
1.31
-0.79		 0.023
p-value‡ 0.001 0.47
mFG Score
Before
After
10.70±0.70
7.83±0.58
9.20±0.58
11.26±0.69
0.11
0.001
2.33
-5.38		 0.001
p-value‡ 0.001 0.001
Menstrual frequency
Before
After
0.200±0.06
0.955±0.02		 0
.277±0.08
0.844±0.04
0.49
0.046
-1.08
3.51		 0.027
p-value‡ 0.001 0.001

Results are presented as Mean±SEM. A significance level of 0.05 was considered (p-value<0.05).
† Independent t-test
‡ Paired t-test
§ Based on ANCOVA
OV: ovary volume; mF G: modified ferriman-gallwey.