Table 5.
Positive low grade non-volumetric studies.
| Study | Patients | Extent of resection (N) | 5-Year overall survival |
||
|---|---|---|---|---|---|
| 5-Year survival | Univariate analysis p value | Multivariate analysis p value | |||
| Philippon et al. (1993) | 179 | GTR (45) | 80% | 0.0002 | <0.01 |
| STR (95) | 50% | ||||
| Biopsy (39) | 45% | ||||
| Rajan et al. (1994) | 82 | GTR (11) | 90% | <0.05 | NS |
| STR (30) | 52% | ||||
| PR (22) | 50% | ||||
| Biopsy (19) | 42% | ||||
| Leighton et al. (1997) | 167 | GTR (85) | 82% | 0.008 | 0.006 |
| STR (23) | 64% | ||||
| Nakamura et al. (2000) | 88 | Radical (43) | NA | <0.001 | <0.001 |
| Non-radical (45) | |||||
| Shaw et al. (2002) | 203 | GTR (29) | 88 | 0.0116 | 0.0349 |
| STR (71) | 56 | ||||
| Biopsy (103) | 71 | ||||
| Yeh et al. (2005) | 93 | GTR (13) | 92 | 0.0349 | 0.016 |
| STR (71) | 52 | ||||
| Biopsy (9) | 52 | ||||
| McGirt et al. (2009a) | 170 | GTR (65) | 95% | 0.043 | 0.017 |
| NTR (39) | 80% | ||||
| STR (66) | 70% | ||||