Table 1 HKA and FTA deviation range derived from varying degree of flexion and coronal deformity
From: Effect of limb rotation on radiographic alignment measurement in mal-aligned knees
HKA deviation range | FTA deviation range | |
|---|---|---|
(M ± S.E.M.) | (M ± S.E.M.) | |
Slight flexion group | 2.15 ± 0.26\(^{\circ }\) | 3.95 ± 0.45\(^{\circ }\) |
Moderate flexion group | 5.32 ± 0.39\(^{\circ }\) | 7.47 ± 0.43\(^{\circ }\) |
Severe flexion group | 12.81 ± 2.20\(^{\circ }\) | 18.19 ± 2.72\(^{\circ }\) |
Slight coronal deformity group | 4.57 ± 1.67\(^{\circ }\) | 6.28 ± 1.95\(^{\circ }\) |
Moderate coronal deformity group | 4.43 ± 0.64\(^{\circ }\) | 6.85 ± 0.87\(^{\circ }\) |
Severe coronal deformity group | 7.24 ± 1.29\(^{\circ }\) | 11.92 ± 2.34\(^{\circ }\) |
Total | 4.84 ± 0.66\(^{\circ }\) | 7.35 ± 0.88\(^{\circ }\) |