We reviewed 75 primary total hip arthroplasty preoperative and postoperative radiographs and recorded limb length discrepancy, change in femoral offset, acetabular position, neck cut, and femoral component positioning. Interobturator line, as a technique to measure preoperative limb length discrepancy, had the least amount of variance when compared with interteardrop and intertuberosity lines (Levene test, P = .0527). The most common error in execution of preoperative templating was excessive limb lengthening (mean, 3.52 mm), primarily due to inferior acetabular cup positioning (Pearson correlation coefficient, P = .036). Incomplete medialization of the acetabular component contributed the most to offset discrepancy. The most common errors in the execution of preoperative templating resulted in excessive limb lengthening and increased offset. Identifying these errors can lead to more accurate templating techniques and improved intraoperative execution.

Polls results

On a scale of 1 to 10, rate how much this article will change your clinical practice?

NO change
BIG change
91% Article relates to my practice (82/90)
6% Article does not relate to my practice (6/90)
2% Undecided (2/90)

Will this article lead to more cost-effective healthcare?

66% Yes (59/89)
23% No (21/89)
10% Undecided (9/89)

Was this article biased? (commercial or personal)

5% Yes (5/89)
91% No (81/89)
3% Undecided (3/89)

What level of evidence do you think this article is?

3% Level 1 (3/91)
13% Level 2 (12/91)
37% Level 3 (34/91)
39% Level 4 (36/91)
6% Level 5 (6/91)