30 May 2026 : Clinical Research
Improved Prediction of Femoral Shortening in Total Hip Arthroplasty for Developmental Dysplasia of the Hip Using the Etfal Classification: A 7-Center Validation Study
Hakan Şeşen
ABDEF 1, Yüksel Uğur Yaradılmış ABCDE 2*
DOI: 10.12659/MSM.952198
Med Sci Monit 2026; 32:e952198
Table 3 Contingency data (TP, FP, TN, FN) for each diagnostic threshold.
| Threshold | TP | FP | TN | TF |
|---|---|---|---|---|
| Etfal ≥2 | 50 | 19 | 88 | 0 |
| Etfal ≥3 | 41 | 1 | 106 | 9 |
| Etfal ≥4 | 14 | 0 | 107 | 36 |
| Abbreviations: TP, true positive; FP, false positive; TN, true negative; FN, false negative. | ||||