A significantly high mean SAT and low mean LPI was observed in group @ at postoperative @ , @ , @ , @ , @ , @ , and @hours ( @ > @ , @ > @ , @ > @ , @ > @ , @ > @ , @ > @ , and @ > @ , respectively ) , ( @ < @ , @ < @ , @ < @ , @ < @ , @ < @ , @ < @ , and @ < @ , respectively ) .