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Table 5 Factors affecting in overall CR rate

From: Defining the optimal dose of radiation in leukemic patients with extramedullary lesions

Factors ( 2 × 2 analysis) CR (15 sites) Non-CR (27 sites) Total p -value
Primary disease Yes 10 17 27 0.810
AML No 5 10 15  
RT site Yes 9 7 16 0.029*
Soft tissue No 6 20 26  
Concurrent Yes 3 7 10 1.000
Chemotherapy No 12 20 32  
Initial size Yes 0 7 7 0.038*
BP ≥ 30 cm2 No 15 20 35  
Initial size Yes 1 12 13 0.015*
LD ≥ 6.0 cm No 14 15 29  
Follow up time Yes 13 17 30 0.158
≥ 2 weeks No 2 10 12  
Total dose Yes 8 9 17 0.326
≥ 25 Gy No 7 18 25  
BED10 Yes 8 10 18 0.347
≥ 30 Gy No 7 17 24  
  1. Abbreviations: CR = Complete response, ML = Acute myeloid leukemia, BP = Bidimensional product, LD = Largest dimension, BED = Biologic effective dose
  2. *Statistically significant factors