Table 2.
Baseline demographic and clinical characteristics for the 70 participants.
| Definition | Endometriosis N = 34 |
Primary dysmenorrhea N = 36 |
P value |
|---|---|---|---|
| Age (years) | 35.7 ± 4.7 | 29.5 ± 6.2 | 0.000∗ |
| Body mass index (kg/m2) | 20.5 ± 2.4 | 19.5 ± 2.2 | NS |
| Marital states (%) | |||
| Unmarried | 13 (38.2) | 24 (66.7) | 0.033∗ |
| Married | 19 (55.9) | 12 (33.3) | |
| Divorced/widowed/separated | 2 (5.9) | 0 (0.0) | |
| Education level (%) | NS | ||
| Junior high or below | 7 (20.6) | 4 (11.1) | |
| University or above | 27 (79.4) | 32 (88.9) | |
| Menstrual duration | 2.9 ± 0.8 | 2.7 ± 0.6 | NS |
| Blood volume | 36.4 ± 38.8 | 26.1 ± 22.0 | NS |
| Duration of pain | 2.2 ± 1.0 | 2.2 ± 0.9 | NS |
| Use of painkillers | 1.91 ± 3.7 | 0.53 ± 1.1 | 0.044∗ |
| Pain in VASa | 6.6 ± 0.4 | 6.3 ± 1.9 | NS |
| MDQ scoresb | |||
| Pain | 19.2 ± 6.0 | 18.9 ± 6.3 | NS |
| Concentration | 15.9 ± 8.2 | 14.8 ± 6.7 | NS |
| Behavioral change | 13.8 ± 6.2 | 11.9 ± 6.4 | NS |
| Autonomic reaction | 10.2 ± 4.2 | 9.4 ± 4.7 | NS |
| Control | 10.0 ± 3.9 | 9.3 ± 4.7 | NS |
| Water retention | 9.5 ± 4.0 | 9.3 ± 4.0 | NS |
| Negative affect | 18.9 ± 8.7 | 20.6 ± 9.5 | NS |
| Arousal | 6.0 ± 2.4 | 5.6 ± 1.1 | NS |
| WHOQOL-BREF scoresc | |||
| Global | 11.1 ± 2.2 | 11.8 ± 3.1 | NS |
| Physiological domain | 13.0 ± 2.0 | 13.3 ± 2.2 | NS |
| Psychological domain | 12.8 ± 2.1 | 13.1 ± 2.7 | NS |
| Social domain | 13.5 ± 1.6 | 14.1 ± 1.9 | NS |
| Environmental domain | 13.9 ± 1.6 | 14.3 ± 2.1 | NS |
aVAS refers to the Visual Analogue Scale; bMDQ refers to the Menstrual Distress Questionnaire; cWHOQOL-BREF refers to the World Health Organization Quality of Life-brief version. P values are calculated for the comparison of difference between endometriosis and primary dysmenorrhea groups by χ 2 or the independent t-test. ∗Significance at the P < 0.05 level.