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Kaplan-Maier plots of hormone secretion recurrence of pituitary adenoma against COX-2 index in patients of the studied group (n=60); (A) grouped with respect to values of COX-2 index: COX-2 index =0% (n=3/8 patients, 37.5%); 0% <COX-2 index ≤35% (n=3/14 patients, 21.4%);35% <COX-2 index ≤70%(n=2/16 patients, 12.5%); 70% <COX-2 index ≤100% (n=7/22 patients, 31.8%); (B) grouped with respect to COX-2 index ≤ median (n=7/30 patients, 23.3%); COX-2 index > median (n=8/30 patients, 26.7%).
