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Comparison of VAS scores between the two groups of patients (%).
| Groups | n | Mild pain | Moderate pain | Severe pain |
|---|---|---|---|---|
| Control group | 45 | 28 (62.22) | 12 (26.67) | 5 (11.11) |
| Observation group | 45 | 40 (88.89) | 5 (11.11) | 0 (0.00) |
| x 2 | — | 4.204 | 5.123 | 5.248 |
| P | — | 0.002 | 0.001 | 0.001 |
