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Comparison of safety and prognosis of treatment
| Groups | n | Recurrence | No recurrence | Allergy | Dizziness headache | Regurgitation | Worsening of pain | Total incidence |
|---|---|---|---|---|---|---|---|---|
| Control group | 55 | 9 (47.6) | 46 (23.8) | 2 (3.6) | 1 (1.8) | 2 (3.6) | 1 (1.8) | 6 (10.9) |
| Research group | 61 | 3 (30.4) | 58 (7.1) | 2 (3.3) | 1 (1.6) | 2 (3.3) | 0 (0.0) | 5 (8.2) |
| χ2 | 4.085 | 0.248 | ||||||
| P | 0.043 | 0.619 | ||||||
