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Table 1 Characteristics of male breast cancer patients

From: Risk of second primary cancer in men with breast cancer

Characteristic

No second cancer

Second cancer

Total

P value

Age (mean years (SD))

64.16 (12.90)

66.90 (9.72)

64.47 (12.61)

0.0002

Follow-up (mean years (SD))

4.39 (3.74)

4.38 (3.31)

4.39 (3.69)

0.9405

Age (median years (IQR)

66.00 (55.00–74.00)

68.00 (61.00–73.00)

66.00 (56.00–74.00)

 

Follow-up (median years (IQR)

3.35 (1.33–6.69)

3.39 (1.46–6.82)

3.36 (1.33–6.72)

 

Age (no. of subjects (percent))

    

   <60 years

577 (33.84)

41 (18.55)

618 (32.09)

<0.0001

   60 to 69 years

458 (26.86)

89 (40.27)

547 (28.04)

 

   70+ years

670 (39.30)

91 (41.18)

761 (39.51)

 

Follow-up (no. of subjects (percent))

    

   <1 year

342 (20.06)

42 (19.00)

384 (19.94)

0.4921

   1 to 5 years

731 (42.87)

88 (39.82)

819 (42.52)

 

   >5 years

632 (37.07)

91 (41.18)

723 (37.54)

 

Race (no. of subjects (percent))

    

   Non-Hispanic white

1,272 (74.60)

182 (82.35)

1,454 (75.49)

0.0117

   Other

433 (25.40)

39 (17.65)

472 (24.51)

 

Total (no. of subjects (percent))

1,705 (88.53)

221 (11.47)

1,926 (100.00)

 
  1. A p value < 0.05 means statistically significant. IQR, interquartile range; SD, standard deviation.