TABLE 1.

Interobserver and intraobserver reliability of radiologic parameters of ankle, tibia, and hindfoot

Measurement	Intraobserver reliability		Interobserver reliability
	ICC	95% CI	ICC	95% CI
LDTA (former TAS)	0.90	0.79–0.97	0.92	0.87–0.99
TTA (tibiotalar angle)	0.91	0.79–0.97	0.90	0.79–0.96
Talar tilt angle	0.88	0.78–0.97	0.89	0.78–0.98
Tibial rotation angle	0.71	0.52–0.90	Not applicable
Hindfoot alignment angle	0.92	0.87–0.97	0.93	0.86–0.99
Hindfoot moment arm	0.83	0.75–0.91	0.84	0.76–0.92
Calcaneal pitch	0.87	0.74–0.97	0.88	0.76–0.97
Lateral Meary angle	0.86	0.75–0.93	0.89	0.78–0.98

Abbreviations: CI, confidence interval; ICC, intraclass correlation coefficient.