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Fig. 2 | Breast Cancer Research

Fig. 2

From: Relationship of circulating insulin-like growth factor-I and binding proteins 1–7 with mammographic density among women undergoing image-guided diagnostic breast biopsy

Fig. 2

Results from factor analysis depicting the relative contribution of each insulin-like growth factor (IGF) measure to two independent resulting factors in BREAST Stamp Project participants. IGF, insulin-like growth factor; IGFBP, IGF binding protein; factor 1 was positively correlated with IGF-I and IGFBP-3 and inversely correlated with IGFBP-1 and IGFBP-2; factor 2 was positively correlated with IGFBP-4, IGFBP-5, and IGFBP-7. The proportion of each analyte was determined as the ratio of the factor loading to the sum of absolute values of factor loadings. *IGF measures that were significantly involved in each factor. Factor loading p < 0.05

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