Fig. 3

Box plots showing distances between the femoral nerve and anterior acetabulum at each measurement point. The numbers on boxes indicate means, the bottom and top of the boxes indicate 25th and 75th percentiles, and the horizontal line within indicates the median. The limits of the whiskers indicate values within the 1.5 interquartile range above and below the boxes; and dots indicate outliers. *p < 0.05, ^†p = 0.270. AIIS, anterior inferior iliac spine; GT, greater trochanter; NS, not significant; OA, osteoarthritis