Table 3.
Univariate analysis demonstrating the association between tumor characteristics and GTR
| 123 Surgeries in 111 patients: 104 retrosigmoid, 19 subtemporal/pterional | GTR | p-value |
|---|---|---|
| Age [n = 111] | ||
| ≤ 60 years [n = 50] | 70.0% | .242 |
| > 60 years [n = 61] | 59.0% | |
| Sex [n = 111] | ||
| Male [n = 19] | 52.6% | .299 |
| Female [n = 92] | 66.3% | |
| Two-stage surgery | ||
| No [n = 111] | 61.3% | .539 |
| Yes [n = 12] | 50.0% | |
| Cavernosus sinus infiltration [n = 123] | ||
| No [n = 91] | 71.4% | < .001 |
| Yes [n = 32] | 28.1% | |
| Tumor size [n = 105] | ||
| ≤ 10 cm3 [n = 54] | 75.9% | .009 |
| > 10 cm3 [n = 51] | 51.0% | |
| Tumor consistency [n = 123] | ||
| Soft [n = 73] | 75.3% | < .001 |
| Firm [n = 50] | 38.0% | |
| Tumor surface [n = 123] | ||
| Smooth [n = 83] | 65.1% | .120 |
| Cauliflower [n = 40] | 50.0% | |
| Tumor location | ||
| Unilateral [n = 92] | 65.2% | .058 |
| Bilateral [n = 31] | 45.2% | |
| Vascularity | ||
| Low [n = 88] | 63.6% | .227 |
| High [n = 35] | 51.4% | |
| Proposed grading system [n = 123] | ||
| Type I [n = 61] | 78.7% | < .001 |
| Type II [n = 12] | 41.7% | |
| Type III [n = 31] | 45.2% | |
| Type IV [n = 19] | 36.8% | |