Table 1.

Comparison between single and double leg weight bearing radiography

				Paired Samples Test
	Mean (degree)	Std. Deviation (degree)	Range (degree)	Mean	Std. Deviation	Std. Error	Sig. (2-tailed)
HKAA1	8.80	4.97	0.30-24.83	0.76	3.13	0.30	0.01
HKAA2	8.04	4.54	0.37-20.17
MPTA1	89.25	5.71	76.80-103.37	0.36	6.97	0.67	0.59
MPTA2	88.89	9.32	19.50-102.43
LDFA1	90.34	3.53	79.73-98.77	0.20	2.32	0.22	0.38
LDFA2	90.14	3.18	80.50-96.50
JLCA1	3.44	2.64	0.00-15.83	0.42	1.82	0.18	0.02
JLCA2	3.02	2.38	0.07-11.63

HKAA: Hip Knee Ankle Angle, MPTA: Medial Proximal Tibial Angle, LDFA: Lateral Distal Femoral Angle, JLCA: Joint Line Convergence Angle, 1: Stands for single leg, 2: stands for double leg weight-bearing Table 2. Linear regression for time, observer, and position effects