Fig. 1From: Precise acetabular positioning, discrepancy in leg length, and hip offset using a new seven-axis robot-assisted total hip arthroplasty system requires no learning curve: a retrospective studyDuration of surgery for the 80 patients undergoing robot-assisted THA in chronological order, the red line representing the mean duration for the RA-THA group, the purple line representing the mean for the conventional THA groupBack to article page