The Harris hip score and Barthel index 3 months after operation of the anterolateral approach group were ( 83.80 + / - 5.64 ) and ( 93.45 + / - 6.37 ) respectively , both significantly higher than those of the standard posterolateral approach group [ ( 75.0 + / - 7.5 ) and ( 94.6 + / - 7.5 ) respectively , both P < 0.01 ) ] , however , there were not significant differences in the Harris hip score and Barthel index 3 years after operation between these 2 groups .
