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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.