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. 2011 Oct;90(10):1171–1176. doi: 10.1177/0022034511418828

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Figure. — Box plots of interquartile range (IQR), range, and median fluoride concentrations (mg/kg bone ash). (A) Tumor-adjacent bone vs. iliac crest bone among cases that contributed both samples: IQR = 407.0-746.5 vs. 538.0-863.0; range = 121.0-1859.5 vs. 318.5-3732.5; median = 558.0 vs. 696.5 (p < 0.001, Wilcoxon signed-rank test). (B) Tumor-adjacent bone vs. iliac crest bone among all cases: IQR = 444.5-853.0 vs. 527.0-863.5; range = 121.0-2939.0 vs. 318.5-3732.5; median = 611.0 vs. 696.5 (p = 0.10, Wilcoxon rank-sum test). (C) Tumor-adjacent bone in matched cases vs. tumor controls: IQR = 474.8-1419.5 vs. 501.0-1176.5; range = 296.0-1859.5 vs. 317.5-2053.5; median = 803.8 vs. 714.3 (p = 0.63, Wilcoxon signed-rank test). (D) Tumor-adjacent bone among all cases vs. tumor controls: IQR = 451.5-853.0 vs. 501.5-1359.0; range = 121.0-2939.0 vs. 317.5-2885.0; median = 611.0 vs. 754.0 (p = 0.0008, Wilcoxon rank-sum test).