Table 2.
Menstrual characteristics of the study participants by PMS group.
| Characteristics | Non-PMS Group | PMS Group | p-Value |
|---|---|---|---|
| Age of Menarche (years) | 14.0 (13.0–15.0) | 13.0 (12.0–13.0) | 0.227 |
| Menstrual Length (days) | 28.0 (28.0–30.0) | 29.0 (28.0–30.0) | 0.275 |
| Duration of flow (days) | 5.0 (5.0–7.0) | 6.0 (5.0–6.0) | 0.771 |
| Menstrual regularity, N (%) | |||
| Regular | 61 (67.0%) | 124 (72.5%) | 0.354 |
| Irregular | 30 (33.0%) | 47 (27.5%) | |
| Amount of flow, N (%) | |||
| Mild | 10 (11.0%) | 18 (10.5%) | 0.993 |
| Moderate | 72 (79.1%) | 136 (79.5%) | |
| Heavy | 9 (9.9%) | 17 (9.9%) | |
| Dysmenorrhea, N (%) | |||
| Present | 73 (80.2%) | 163 (95.3%) | <0.001 |
| None | 18 (19.3%) | 8 (4.7%) |
PMS, premenstrual syndrome.