In this article (Cancer Epidemiol Biomarkers Prev 2010;19:3096–105), which was published in the December 2010 issue of Cancer Epidemiology, Biomarkers & Prevention (1), the publisher regrets that because of a printing error, some of the data in Table 2 are incorrect. The correct version of Table 2 is found below.

Table 2.

Percent density: distribution of breast cancer risk factors by quintiles of threshold and volumetric methods

 Threshold method, percent densityVolumetric method, percent density
12345Ptrend12345Ptrend
(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)
Age at examination, y (mean) 55.6 54.0 54.3 53.8 51.9 <0.001 56.2 54.1 54.0 53.0 52.4 <0.001 
BMI, kg/m2 (mean) 29.3 26.4 25.7 24.0 22.3 <0.001 27.2 28.4 25.4 23.9 22.9 <0.001 
Age menarche, y (mean) 12.7 13.1 13.5 12.9 13.5 0.02 12.7 13.3 13.2 13.2 13.3 0.09 
Nulliparous, % 12.2 16.2 25.8 26.3 28.2 0.03 8.1 8.9 27.0 21.6 31.1 0.001 
Number of children (median) 1.8 1.8 1.5 1.8 1.6 0.19 1.9 1.7 1.7 1.8 1.4 0.04 
Age first delivery,a y (mean) 24.5 24.9 25.8 26.3 28.2 <0.001 24.4 24.9 26.1 26.5 28.1 <0.001 
Postmenopausal, % 63.5 56.8 55.4 47.3 31.1 <0.001 66.2 58.1 50.0 44.6 35.1 <0.001 
Age menopause,b y (mean) 47.9 49.3 47.1 49.0 48.9 0.65 48.4 48.4 47.8 48.9 48.3 0.89 
Ever HT use, % 36.1 25.7 39.2 28.4 26.0 0.31 39.2 26.4 29.7 28.4 31.5 0.43 
Ever pill use, % 87.7 91.9 90.5 83.8 89.2 0.66 91.9 89.0 89.2 86.5 86.5 0.25 
First-degree family history breast cancer, % 13.5 21.6 18.9 13.5 14.9 0.69 16.2 20.3 16.2 10.8 18.9 0.77 
 Threshold method, percent densityVolumetric method, percent density
12345Ptrend12345Ptrend
(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)(N = 74)
Age at examination, y (mean) 55.6 54.0 54.3 53.8 51.9 <0.001 56.2 54.1 54.0 53.0 52.4 <0.001 
BMI, kg/m2 (mean) 29.3 26.4 25.7 24.0 22.3 <0.001 27.2 28.4 25.4 23.9 22.9 <0.001 
Age menarche, y (mean) 12.7 13.1 13.5 12.9 13.5 0.02 12.7 13.3 13.2 13.2 13.3 0.09 
Nulliparous, % 12.2 16.2 25.8 26.3 28.2 0.03 8.1 8.9 27.0 21.6 31.1 0.001 
Number of children (median) 1.8 1.8 1.5 1.8 1.6 0.19 1.9 1.7 1.7 1.8 1.4 0.04 
Age first delivery,a y (mean) 24.5 24.9 25.8 26.3 28.2 <0.001 24.4 24.9 26.1 26.5 28.1 <0.001 
Postmenopausal, % 63.5 56.8 55.4 47.3 31.1 <0.001 66.2 58.1 50.0 44.6 35.1 <0.001 
Age menopause,b y (mean) 47.9 49.3 47.1 49.0 48.9 0.65 48.4 48.4 47.8 48.9 48.3 0.89 
Ever HT use, % 36.1 25.7 39.2 28.4 26.0 0.31 39.2 26.4 29.7 28.4 31.5 0.43 
Ever pill use, % 87.7 91.9 90.5 83.8 89.2 0.66 91.9 89.0 89.2 86.5 86.5 0.25 
First-degree family history breast cancer, % 13.5 21.6 18.9 13.5 14.9 0.69 16.2 20.3 16.2 10.8 18.9 0.77 

aParous women only.

bPostmenopausal women only.

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,
Kallenberg
 
M
,
Karssemeijer
 
N
,
Van den Bosch
 
M
,
Peeters
 
P
,
Van Gils
 
C
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Volumetric breast density from full-field digital mammograms and its association with breast cancer risk factors: a comparison with a threshold method
.
Cancer Epidemiol Biomarkers Prev
 
2010
;
19
:
3096
–
105
.
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Published OnlineFirst July 22, 2011. ©2011 American Association for Cancer Research.
2011