Table 1:
Comparison of study patient demographic data
| Variables | Recurrent Tumor | Treatment Effect | P Value |
|---|---|---|---|
| No. of male patients | 14 (46.9%) | 11 (60.0%) | .147 |
| No. of female patients | 17 (53.1%) | 9 (40.0%) | |
| Age, ya | 52.2 ± 8.9 | 550.5 ± 8.6 | .376 |
| Mean radiation dose at CCRT, Gya | 59.5 ± 0.7 | 59.7 ± 0.5 | .856 |
| Mean KPSa | 94.5 ± 5.0 | 92.2 ± 8.1 | .722 |
| Tumor volume, cm3a | 51.2 ± 11.7 | 50.7 ± 17.5 | .701 |
| Surgical extent before CCRT | .554 | ||
| Biopsy | 2 | 2 | |
| Subtotal resection | 14 | 9 | |
| Gross total resection | 15 | 9 | |
| Surgical extent at second-look surgery | .391 | ||
| Biopsy | 6 | 3 | |
| Subtotal resection | 11 | 6 | |
| Gross total resection | 14 | 11 | |
| Time interval between CCRT and new or enlarged contrast-enhancing lesion, wka | 42.1 ± 19.1 | 45.3 ± 16.3 | .505 |
| Median survival, wk | 73.5 | 80.5 | .079 |
Note:—CCRT indicates concurrent chemoradiotherapy; Gy, gray; KPS, Karnofsky Performance Score.
a
Data are mean ± standard deviation.