. 2013 Jun 1;2(2):131–140. doi: 10.5681/jcs.2013.016

Table 3. Mean hot flash frequency based on the follow up by time divisions in the treatment groups.

	Folic acid Mean (SD)	Placebo Mean (SD)	Statistical indicators ^{(between-group)}
Before treatment	7.31 (6.79)	6.35 (3.98)	P = 0.47, df = 1, t = 0.72
First week	6.33 (4.58)	6.77 (5.45)	P = 0.09, df = 1, F^† = 2.93
Second week	5.17 (3.90)	5.65 (3.67)	P = 0.12, df = 1, F^† = 2.47
Third week	4.93 (3.99)	5.51 (3.66)	P = 0.03, df = 1, F^† = 4.65
Fourth week	4.48 (3.68)	5.61 (3.59)	P = 0.00, df = 1, F^† = 7.30
ANOVA with repeated measure ^{(within-group)}	F = 9.16 df = 1.26 P <0.001	F = 4.57 df = 1.25 P = 0.03

^†ANCOVA