Leukocyte counts were lower in the 17beta-estradiol group than in controls at 6 hours ( 11.4 + / - 2.0 hours v 15.5 + / - 4.7 hours x 10 ( 9 ) / L ) and 20 hours ( 11.6 + / - 1.9 hours v 13.6 + / - 2.5 hours x 10 ( 9 ) / L ) after reperfusion ( p = 0.03 ) .
