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Table 1 Comparison of demographic and clinical characteristics among patients treated with and without radiation therapy

From: A population-based analysis of outcomes for small cell carcinoma of the breast by tumor stage and the use of radiation therapy

Category

No Radiation therapy

Radiation therapy

P value

Number of patients*

123

69

 

Median age at diagnosis, yr

68 (37–97)

61 (28–88)

0.02

Median survival, m

58

69

0.70

Race

  

0.52

 - White

109 (88.6%)

59 (85.5%)

 

 - Black

10 (8.1%)

10 (14.5%)

 

 - Others

3 (2.4%)

0

 

 - Unknown

1 (0.8%)

0

 

Female %

119 (96.7%)

69 (100%)

0.28

Surgery

  

0.90

 - Yes

99 (80.5)

53 (76.8%)

 

 - No

21 (17.1%)

15 (21.7%)

 

 - Unknown

3 (2.4%)

1 (1.5%)

 

 Staging

  

0.62

 - Distant

26 (21.1%)

11 (15.9%)

 

 - Localized

54 (43.9%)

28 (40.6%)

 

 - Regional

43 (35%)

30 (43.5%)

 
  1. yr, year; m, months.
  2. * the use of radiation therapy was unknown in 7 patients.