RESULTS	Patients in Groups LK and LDK required fewer postoperative ketorolac tablets ( 2.2 + / -1.6 and 1.3 + / -0.6 tablets , respectively ) in the first 24 h after surgery and had significantly longer periods during which they required no analgesics ( 524 min and 566 min , respectively ) compared to those in Group L ( 3.8 + / -1.3 tablets ; 122 min , P < 0.001 ) .\