TABLE 4.
Summary of Prognostic Relationships in PA and LGSI Patients
| Overall Survival Rate, % |
Recurrence-Free, % |
Radiographic Progression |
||||||
|---|---|---|---|---|---|---|---|---|
| 5 yrs | 10 yrs | p | 5 yrs | 10 yrs | p | Yes, n (%) | p | |
| Overall age | 77 | 68 | 70 | 67 | 16 (29) | |||
| <10 yrs | 93 | 93 | 0.047 | 66 | 66 | 0.84 | 4 (24) | 0.75 |
| 10+ yrs | 69 | 53 | 72 | 65 | 12 (32) | |||
| Extent of resection | ||||||||
| Biopsy only | 77 | 65 | 66 | 66 | 6 (38) | |||
| STR | 60 | 52 | 0.002 | 58 | 48 | 0.06 | 8 (42) | 0.08 |
| GTR | 100 | 100 | 85 | 85 | 2 (11) | |||
| Sex | ||||||||
| Male | 79 | 66 | 0.77 | 63 | 56 | 0.29 | 12 (40) | 0.07 |
| Female | 75 | 69 | 77 | 77 | 4 (16) | |||
| Location | ||||||||
| Optic pathway | 81 | 74 | 93 | 93 | 2 (13) | |||
| Supratentorial | 82 | 66 | 0.23 | 64 | 64 | 0.06 | 4 (22) | 0.10 |
| Infratentorial | 70 | 63 | 57 | 48 | 10 (45) | |||
GTR, gross total resection; LGSI, low-grade astrocytomas, subtype indeterminate; PA, pilocytic astrocytoma; STR, subtotal resection.