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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2018 Oct 30;27(12):1509–1517. doi: 10.1158/1055-9965.EPI-18-0346

Table 2.

Correlations* among tumor markers in the Nurses’ Health Studies and the New England Case Control Study

COX1 COX2 CD68 CD163 CD68/CD163
COX1 1.00 0.07 0.13 0.19 0.10
COX2 1.00 0.09 0.13 0.08
CD68 1.00 0.81 −0.13
CD163 1.00 0.45
CD68/CD163 1.00
*

Spearman correlations were calculated among the 513 cases with data on all 4 tumor markers (COX1, COX2, CD68 and CD163). Correlations with an absolute value ≥0.146 are statistically significant, assuming a two-sided test with α=0.05.