TABLE 5.

Pairwise comparisons of ROC curves.

Comparison	Difference between areas	95% CI	P-value
AA vs. EPA	0.053	–0.055–0.161	0.335
AA vs. DHA	0.120	0.005–0.235	0.041
EPA vs. DHA	0.067	0.018–0.115	0.007
EPA/AA vs. AA	0.070	0.006–0.134	0.031
EPA/AA vs. EPA	0.123	0.060–0.187	0.0001
DHA/AA vs. AA	0.060	–0.019–0.139	0.137
DHA/AA vs. DHA	0.180	0.120–0.239	< 0.0001
EPA/AA vs. DHA/AA	0.010	–0.043 to 0.064	0.709
DHA/AA vs. EPA	0.113	0.046 to 0.181	0.001
EPA/AA vs. DHA	0.190	0.105 to 0.275	< 0.0001

AA, arachidonic acid; CAD, coronary artery disease; DHA, docosahexaenoic acid; DHA/AA, ratio of DHA and AA; EPA, eicosapentaenoic acid; EPA/AA, ratio of EPA and AA; ROC, receiver operating characteristic.