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. Author manuscript; available in PMC: 2015 Jul 2.
Published in final edited form as: Int J Biol Markers. 2013 Jun 28;28(2):161–167. doi: 10.5301/jbm.5000016

Table 2.

Correlation coefficients between leptin levels, body mass index and mammographic patterns

Leptin (log, ng/ml) BMI (kg/m2)
Characteristic r P-value r P-value
Age (years) 0.01 0.8 −0.03 0.6
BMI (kg/m2) 0.72 <0.0001 -- --
Breast Density^
     Dense Area (cm2) −0.06 0.2 −0.03 0.6
     Non-Dense Area (cm2) 0.55 <0.0001 0.70 <0.0001
     Total Area (cm2) 0.53 <0.0001 0.71 <0.0001
     Percent Density −0.41 <0.0001 −0.45 <0.0001
^

square root transformed values