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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\(^{\circ }\)
  1. Descriptive statistics
  2. M mean, SEM standard error of mean