After screening , 148 case were in comprehensive treatment group , including 62 males and 86 females with an average age of ( 78.76 + / - 7.32 ) years old ranging from 60 to 88 ; 45 cases were intertrochanteric fracture of femur , 103 cases were fracture of neck of femur ; Singh index > or = IV in 74 cases , < IV in 74 cases ; preoperative Harris score was 39.90 + / - 2.28 .