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| Characteristic | Placebo (n = 38) | Cinnamon (n = 38) | P Valueb |
|---|---|---|---|
| Age, y | 1.5 ± 21.3 | 1.1 ± 20.7 | 0.135 |
| Age of menarche, y | 0.8 ± 13.4 | 0.8 ± 13.3 | 0.116 |
| Cycle, d | 1.5 ± 27.8 | 1.5 ± 27.4 | 0.487 |
| Age of dysmenorrhea, y | 0.9 ± 14.6 | 0.5 ± 14.3 | 0.476 |
| Duration of bleeding, d | 6.1 ± 1.1 | 1.3 ± 6.3 | 0.090 |
a Values are presented as mean ± SD.
b P > 0.05.
