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. 2004 Aug 17;112(17):1654–1657. doi: 10.1289/ehp.7134

Table 2.

Loadings from the first PCAs studied before and after Cu supplementation.

	Before		After
Variables	Women	Men	Women	Men
Hemoglobin	0.059	0.006	0.021	−0.029
Ferritin	1.161^a	−0.346	1.553^a	0.428
Homocysteine	−0.034	−0.147	0.147	0.293
Serum Cu	0.263	0.038	0.295	0.132
Serum Fe	0.132	0.093	0.130	−0.106
Serum Zn	0.006	0.058	−0.033	−0.125
Cu in MNC	0.001	−0.074	0.116	0.090
Fe in MNC	−0.005	−0.112	0.076	0.102
Zn in MNC	0.018	−0.094	0.072	0.143
GOT	0.679	−0.993^a	0.722	0.870^a
GPT	0.848^a	−1.640^a	0.781^a	0.885^a
GGT	1.656^a	−1.197^a	2.175^a	2.540^a
SOD	0.326	0.012	−0.152	−0.321
DMPS	0.716	0.908	0.512	0.844
DMPS 0–4 hr	0.165	0.675
DMPS 5–24 hr	0.104	0.206
DMPS 0–24 hr	−0.229	0.512	0.472	−0.441
Urinary Cu	0.100	0.279	0.497	0.337
Percent variance explained	31.58	29.58	29.57	26.19

Values for DMPS are Cu excreted during the indicated time period after administration of 300 mg DMPS.

^a

Variables with highest loading in the first component.