Mean pain intensity at 12 and 24 hours , respectively , after surgery was significantly lower in the diclofenac group ( 3.7 + / - 1.3 and 2.0 + / - 0.6 ) than that observed in the control group ( 5.7 + / - 1.9 and 4.6 + / - 0.5 ) ( p value , respectively , .002 and < .001 ) .
