. 2015 Apr 25;17(4):e23844. doi: 10.5812/ircmj.17(4)2015.23844

Table 2. Means and Standard Deviations of Scores Before and After the Intervention ^a.

Variable	A (Colpermin, n = 34)		B (Lactol, n = 29)		C (Placebo, n = 25)
Variable	Baseline	Final	Baseline	Final	Baseline	Final
Duration of pain, minutes per day ^a	67.05 ± 36.97	26.17 ± 11.61	56.37 ± 25.56	37.06 ± 25.51	53.40 ± 16.81	51.60 ± 23.74
P Value	0.0001		0.008		0.730
Frequency of pain, per week ^a	4.24 ± 1.57	2.00 ± 0.98	4.83 ± 1.64	2.14 ± 0.87	4.44 ± 1.87)	3.40 ± 1.41)
P Value	0.0001		0.0001		0.032
Severity of pain, numerical rating scale ^a	5.23 ± 1.34	3.11 ± 1.36	5.75 ± 1.21	3.93 ± 1.06	5.20 ± 1.15	4.24 ± 1.33
P Value	0.0001		0.0001		0.002

^aPaired t-test.

Table 2. Means and Standard Deviations of Scores Before and After the Intervention a.