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Table 2 Predictive factors associated with clinical CR to radiotherapy (n = 20)

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

Crude odds ratio

95% Confidence interval

P-value*

BED dose

      

≥22 Gy

3

4

43%

4.44

0.62-32.07

0.14

<22 Gy

10

3

77%

1 (Referent)

  

Underlying disease

      

Non-AML

3

4

43%

4.44

0.62-32.07

0.17

AML

10

3

77%

1 (Referent)

  

Age

      

≥50 y

3

5

37.5%

8.33

1.03-67.14

0.06

<50 y

10

2

83.3%

1 (Referent)

  

Gender

      

Female

5

4

55.6%

2.13

0.33-13.81

0.64

Male

8

3

72.7%

1 (Referent)

  

Cytogenetics

      

Abnormal

6

4

60%

1.56

0.24-9.91

1

Normal

7

3

70%

1 (Referent)

  

Previous BMT before RT

      

Yes

6

0

100%

NA

NA

0.05

No

7

7

50%

1 (Referent)

  

BM involvement at GS RT

      

Yes

8

5

61.5%

1.56

0.22-11.37

1

No

5

2

71%

1 (Referent)

  
  1. Abbreviations: CR, complete remission; PR, partial response; SD, stable disease, BMT, bone marrow transplant; RT, radiotherapy; BM, bone marrow.
  2. *Fisher’s exact test.