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Comparison of tumor recurrence at 1 year after operation between two groups of patients with tumors in the saddle area (cases).
| Group | Relapse | No recurrence | χ2 value | P value |
|---|---|---|---|---|
| Neuroendoscopic auxiliary group | 1 | 60 | 1.36 | >0.05 |
| Simple microscope group | 4 | 69 |
