| Group A | Group B | P value | ||||
| Count | % | Count | % | |||
| Extent of tumor resection | STR | 3 | 20.00% | 1 | 6.70% | 0.477 |
| NTR | 2 | 13.30% | 1 | 6.70% | ||
| GTR | 10 | 66.70% | 13 | 86.70% | ||