Table 5:
Median overall survival for histologic grades classified according to the rCBV and ADC values
| No. (%) | Median Overall Survival (mo) | 95% CI | |
|---|---|---|---|
| Grade II + ADC < 0.799 × 10−3 mm2/s | 3 (2.4) | 4 | 0.799–7.201 |
| Grade II + ADC ≥ 0.799 × 10−3 mm2/s | 23 (18.2) | – | – |
| Grade III + ADC < 0.799 × 10−3 mm2/s | 7 (5.6) | 6 | 1.706–10.294 |
| Grade III + ADC ≥ 0.799 × 10−3 mm2/s | 13 (10.3) | 50 | – |
| Grade IV + ADC < 0.799 × 10−3 mm2/s | 58 (46) | 9 | 6.307–11.693 |
| Grade IV + ADC ≥ 0.799 × 10−3 mm2/s | 22 (17.5) | 17 | 6.152–27.848 |
| Grade II + rCBV ≥ 5.195 | 0 (0) | – | – |
| Grade II + rCBV < 5.195 | 26 (20.6) | – | – |
| Grade III + rCBV ≥ 5.195 | 5 (4) | 11 | – |
| Grade III + rCBV < 5.195 | 15 (11.9) | 50 | – |
| Grade IV + rCBV ≥ 5.195 | 59 (46.8) | 10 | 6.301–13.699 |
| Grade IV + rCBV < 5.195 | 21 (16.7) | 10 | 5.639–14.361 |
Note:— – indicates that at the end of follow-up, patients had not reached median overall survival.