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Table 2 Accuracy of implant positioning, assessed by the percentage of cases falling within 2° and 3° outliers, as well as the respective accuracy rates at these thresholds

From: Customized-individually-made origin® implants in total knee arthroplasty allow a reliable solution for accurate reproduction of planned implant positioning

Alignment measurement

Three-degree threshold assessment

Two-degree threshold assessment

Outliers 3° (total = 51)

Accuracy at 3°

Outliers à 2° (Total = 51)

Accuracy at 2°

HKA: n (%)

4 (7.8%)

47/51 (92.2%)

10 (19.6%)

41/51 (80.4%)

Distal Alpha angle (mMDFA): n (%)

0 (0%)

51/51 (100%)

0 (0%)

51/51 (100%)

Posterior Alpha angle (PDFA): n (%)

3 (5.9%)

48/51 (94.1%)

8 (15.7%)

43/51 (84.3%)

Beta angle (mMPTA): n (%)

2 (3.9%)

49/51 (96.1%)

8 (15.7%)

43/51 (84.3%)

PPTA: n (%)

0 (0%)

51/51 (100%)

4 (7.8%)

47/51 (92.2%)