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Table 1 Baseline characteristics of the study population (number of patients).

From: Recursive partitioning analysis of prognostic factors in WHO grade III glioma patients treated with radiotherapy or radiotherapy plus chemotherapy

  AA AO AOA Total
  (n = 56) (n = 67) (n = 10) (n = 133)
Age at diagnosis     
   ≥50 years 16 (28.6%) 17 (25.4%) 3 (30.0%) 36 (27.1%)
   < 50 years 40 (71.4%) 50 (74.6%) 7 (70.0%) 97 (72.9%)
Performance status     
   ECOG grade 0 5 (8.9%) 10 (14.9%) 2 (20.0%) 17 (12.8%)
   ECOG grade 1 38 (67.8%) 44 (65.7%) 5 (50.0%) 87 (65.4%)
   ECOG grade 2 9 (16.1%) 7 (10.4%) 0 16 (12.0%)
   ECOG grade 3 2 (3.6%) 5 (7.5%) 3 (30.0%) 10 (7.5%)
   ECOG grade 4 2 (3.6%) 1 (1.5%) 0 3 (2.3%)
Extent of resection     
   complete 6 (10.7%) 27 (40.3%) 3 (30.0%) 36 (27.1%)
   incomplete 50 (89.3%) 40 (59.7%) 7 (70.0%) 97 (72.9%)
Baseline treatment     
   radiotherapy 31 (55.3%) 31 (46.3%) 5 (50.0%) 67 (50.3%)
   radiotherapy plus PCV** 25 (44.7%) 36 (53.7%) 5 (50.0%) 66 (49.7%)
  1. ECOG: Eastern Cooperative Oncology Group
  2. PCV: procarbazine, lomustine, and vincristine