TABLE 5:
Associations of Clinical features and the Survival Results among Malignant Peripheral Nerve Sheath Cases
| Progression-Free Survival | Disease Specific Survival | ||||||
|---|---|---|---|---|---|---|---|
| 1-year | 5-year | p* | 1-year | 5-year | p* | ||
| Gender | Male | 56% | 14% | 0.96 | 69% | 24% | 0.13 |
| Female | 56% | 21% | 6 | 81% | 37% | ||
| Age | <40 years | 46% | 10% | 0.01 | 79% | 32% | 0.524 |
| ≥40 years | 75% | 34% | 72% | 32% | |||
| NF1 | Yes | 51% | 20% | 0.86 | 75% | 33% | 0.823 |
| No | 58% | NA | 2 | 82% | 31% | ||
| Site | Extremity | 71% | 14% | 0.91 | 72% | 38% | 0.6 |
| Non-extremity | 49% | 20% | 7 | 77% | 31% | ||
| Extent of resection | Sub-total | 37% | 0 | 0.42 | 67% | 0 | 0.146 |
| Gross-total | 52% | 31% | 2 | 80% | 42% | ||
| Margins | Negative | 60% | 40% | 0.19 | 67% | 38% | 0.834 |
| Positive | 33% | NA | 1 | 77% | 12% | ||
| Grade | Low | 86% | 51% | 0.09 | 100% | 80% | 0.007 |
| 7 | |||||||
| High | 51% | 12% | 73% | 27% | |||
| Metastasis | No | 47% | 35% | 0.43 | 76% | 38% | 0.003 |
| Yes | 46% | NA | 66% | 5% | |||
| Recurrence/Progression | No | 58% | 38% | 0.883 | |||
| Yes | 85% | 31% | |||||
*:
All p values were calculated from Kaplan-Meier analysis by Log-rank method, and p values in bold are significant; NA: Not available, all cases were censored.