Bian Zheng Lun Zhi as a Complementary and Alternative Treatment for Menstrual Cramps in Women with Dysmenorrhea: A Prospective Clinical Observation
Table 3
Means and standard deviation of major variable measured at baseline and weeks 4, 8, and 12.
Variable definition
Endometriosis
Primary dysmenorrhea
Time effect value
Time * group effect value
Baseline
Week 4
Week 8
Week 12
Baseline
Week 4
Week 8
Week 12
Pain in VAS
a
6.6 ± 2.1
5.8 ± 2.5
5.2 ± 2.4
5.4 ± 2.3
6.3 ± 1.9
5.0 ± 2.8
4.6 ± 2.8
4.4 ± 2.7
0.000*
0.698
Menstrual duration
2.9 ± 0.8
2.9 ± 0.8
2.9 ± 0.8
2.7 ± 0.8
2.7 ± 0.6
2.6 ± 0.7
2.6 ± 0.7
2.6 ± 0.7
0.250
0.779
Blood volume
36.4 ± 38.8
31.4 ± 32.4
30.7 ± 31.4
28.9 ± 31.2
26.1 ± 22.0
22.4 ± 16.6
18.0 ± 12.0
19.8 ± 14.8
0.001*
0.760
Duration of pain
2.2 ± 1.0
2.3 ± 1.1
1.9 ± 1.0
2.1 ± 1.1
2.2 ± 0.9
2.0 ± 1.2
1.8 ± 1.1
1.8 ± 1.2
0.017*
0.520
Use of painkillers
1.9 ± 3.7
1.7 ± 3.4
1.7 ± 3.3
1.9 ± 4.1
0.5 ± 1.1
0.5 ± 1.1
0.5 ± 0.9
0.4 ± 1.1
0.783
0.791
WHOQOL-BREF scoreb
Global
11.1 ± 2.2
11.4 ± 2.3
11.5 ± 2.6
12.2 ± 2.0
11.8 ± 3.1
11.7 ± 3.0
11.7 ± 3.0
11.9 ± 3.1
0.046*
0.208
Physiological domain
13.0 ± 2.0
12.6 ± 2.1
12.5 ± 2.3
12.8 ± 2.0
13.3 ± 2.2
13.5 ± 2.4
13.4 ± 2.1
13.7 ± 2.6
0.303
0.348
Psychological domain
12.8 ± 2.1
12.4 ± 2.1
12.2 ± 2.0
12.6 ± 2.0
13.1 ± 2.7
12.9 ± 2.3
12.7 ± 2.3
12.9 ± 2.4
0.013*
0.707
Social domain
13.5 ± 1.6
13.0 ± 1.8
12.8 ± 1.7
13.0 ± 1.8
14.1 ± 1.9
13.7 ± 2.0
13.6 ± 2.1
13.7 ± 1.9
0.002*
0.883
Environmental domain
13.9 ± 1.6
13.6 ± 1.8
13.3 ± 1.9
13.5 ± 1.9
14.3 ± 2.1
14.1 ± 2.2
13.6 ± 2.2
13.6 ± 2.2
0.000*
0.698
aVAS refers to the Visual Analogue Scale; bWHOQOL-BREF refers to the World Health Organization Quality of Life-brief version. Data presented with mean ± standard deviation; data adjusted for age. *Significance at the level.
