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Clinical efficacy between the progesterone and vitamin B6 groups (n(%)).
| Group | Cure | Remarkable effect | Effective | Invalid | Efficiency |
|---|---|---|---|---|---|
| Progesterone group (60) | 25 (41.67) | 18 (30.00) | 7 (11.67) | 10 (16.67) | 50 (83.33) |
| Vitamin B6 group (60) | 27 (45.00) | 16 (26.67) | 14 (23.33) | 3 (5.00) | 57 (95.00) |
| χ 2 | 4.227 | ||||
| P | 0.040 |
