TABLE 2

Survival Analysis for the Whole Cohort

ParameterPFSOS
Median (y)HR, P valueMedian (y)HR, P value
All patients (n = 166)2.6 (1.9–3.2)6.3 (5.0–7.5)
18F-FDG2.5 (1.7–3.5), P < 0.0013.8 (2.4–5.9), P < 0.001
 Negative (n = 76)4.8 (3.4–6.2)NR
 Positive (n = 90)1.8 (1.3–2.3)3.0 (2.1–4.0)
WHO
 G1 (Ki-67 ≤ 2%) (n = 57)3.4 (2.0–4.9)1.2 (0.8–1.7), P = 0.391*7.2 (5.4–9.0)1.3 (0.8–2.2), P = 0.224*
 G2 (Ki-67 3%–20%) (n = 83)2.4 (1.8–3.0)8.2 (4.4–16), P < 0.001† 6.4 (5.4–7.4)9.7 (5.0–19), P < 0.001†
 G3 (Ki-67 > 20%) (n = 16)0.4 (0.1–0.7)11.9 (5.6–25), P < 0.001‡ 0.8 (0.3–1.3)11.1 (5.2–24), P < 0.001‡

  • ↵* HR for WHO I vs. II.

  • ↵† HR for WHO II vs. III.

  • ↵‡ HR for WHO I vs. III.

  • NR = not reached.

  • Data in parentheses are 95% CIs.