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The post‐operative pain grades of common orthopaedic surgery
| Grades | Type of the surgery |
|---|---|
| Low grade | Joint lavage, soft tissue surgery, removal of the internal fixation and so on |
| Moderate grade | Joint ligament reconstruction, spinal fusion, laminectomy and so on |
| High grade | Bone tumor operation, joint replacement, fracture internal fixation, amputation and so on |
