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Table 3 Predictive factors associated with clinical complete remission to radiotherapy (43 lesions analyzed using the GEE model)

From: Clinicopathologic features and responses to radiotherapy of myeloid sarcoma

Characteristics Complete response (No. of patients) Partial response and stable disease (No. of patients) Complete response rate Univariate odds ratio 95% Confidence interval P-value
BED dose       
≥22 Gy 6 4 60% 1.15 0.20-6.63 0.88
<22 Gy 21 12 63.64% 1 (Referent)   
Underlying disease       
Non-AML 3 6 33.33% 5.436 0.999-29.578 0.050
AML 24 10 70.59% 1 (Referent)   
Age       
≥50 y 9 5 64.29% 2.92 0.47-18.14 0.25
<50 y 18 11 62.07% 1 (Referent)   
Gender       
Female 7 5 58.33% 1.41 0.31-6.36 0.65
Male 20 11 64.52% 1 (Referent)   
Cytogenetics       
Abnormal 13 10 56.52% 1.35 0.27-6.83 0.72
Normal 14 6 70% 1 (Referent)   
Previous BMT before RT       
Yes 16 2 88.89% 0.10 0.01-1.14 0.06
No 11 14 44% 1 (Referent)   
BM involvement at GS RT       
Yes 16 8 66.67% 1.51 0.23-9.82 0.67
No 11 8 57.89% 1 (Referent)   
  1. Abbreviations: CR, complete remission; PR, partial response; SD, stable disease; RT, radiotherapy; BMT, bone marrow transplant; BM, bone marrow.