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Table 2 Multiple comparisons of flexion group, the mean difference of HKA deviation range and the mean difference of FTA deviation range

From: Effect of limb rotation on radiographic alignment measurement in mal-aligned knees

Flexion group HKA deviation FTA deviation
Mean difference S.E Sig. 95% C.I. Mean difference S.E Sig. 95% C.I.
Slight–moderate − 3.17* 0.49 < 0.001 − 4.16 \(\sim\) − 2.17 − 3.51* 0.80 < 0.001 − 5.14 \(\sim\)− 1.89
Moderate–severe − 8.04* 0.73 < 0.001 − 9.51 \(\sim\) − 6.57 − 11.98* 1.18 < 0.001 − 14.38\(\sim\)− 9.59
Slight–severe − 11.20* 0.70 < 0.001 − 12.63 \(\sim\) − 9.78 − 15.50* 1.14 < 0.001 − 17.82 \(\sim\)− 13.18
  1. S.E standard error, Sig. significance probability, C.I. confidence interval
  2. *The mean difference is significant at the 0.05 level