Breast Cancer Research

Table 2 Mammographic characteristics by quartiles of calorie adjusted soy intake

From: An investigation of soy intake and mammographic characteristics in Hawaii

		Chinese/Japanese		Caucasian/Hawaiian
	All (n = 514)
	Mean	n	Mean	n	Mean
Breast area (10³ pixels)
Soy foods
≤ 6.7 g	1193	26	808	88	1297
> 6.7-18.5 g	1001	56	786	67	1166
> 18.5-34.8 g	1034	71	830	50	1261
> 34.8 g	921	76	763	40	1252
P _trend	0.06		0.96		0.56
Dense area (10³ pixels)
Soy foods
≤ 6.7 g	296	26	258	88	294
> 6.7-18.5 g	267	56	246	67	287
> 18.5-34.8 g	282	71	266	50	309
> 34.8 g	266	76	240	40	313
P _trend	0.98		0.49		0.05
Percent densities
Soy foods
≤ 6.7 g	30.0	26	38.2	88	26.7
> 6.7-18.5 g	30.9	56	34.3	67	28.9
> 18.5-34.8 g	32.2	71	35.6	50	28.8
> 34.8 g	33.4	76	34.5	40	30.7
P _trend	0.04		0.31		0.06
Nondense area (10³ pixels)
Soy foods
≤ 6.7 g	897	26	550	88	1003
> 6.7-18.5 g	734	56	540	67	879
> 18.5-34.8 g	753	71	564	50	952
> 34.8 g	655	76	523	40	939
P _trend	0.04		0.65		0.32

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ISSN: 1465-542X

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