Table 1.

Intra-rater reliability of the manual measurements; rater 2a vs rater 2b; preoperative n = 95, postoperative n = 105.

Intra-Rater Reliability (Rater 2a vs. Rater 2b)
	Statistical Method	mMPTA [°]	mLDFA [°]	mFAmTA [°]	mLDTA [°]	FSAmTA [°]
Preoperative	ICC (95% CI)	0.97 (0.95–0.98)	0.95 (0.93–0.97)	1.0 (1.0–1.0)	0.97 (0.96–0.98)	1.0 (1.0–1.0)
	Mean error (95% CI)	−0.07 (−0.27–0.13)	−0.02 (−0.22–0.19)	−0.01 (−0.06–0.05)	−0.13 (−0.37–0.12)	−0.05 (−0.14–0.03)
	SD	0.97	1.0	0.26	1.19	0.4
	RMSE	0.97	1.0	0.26	1.2	0.41
	Pearson correlation r (p-value)	0.97 (<0.001)	0.95 (<0.001)	1.0 (<0.001)	0.97 (<0.001)	1.0 (<0.001)
Postoperative	ICC (95% CI)	0.96 (0.94–0.97)	0.97 (0.95–0.98)	1.0 (0.99–1.0)	0.96 (0.94–0.97)	0.99 (0.99–1.0)
	Mean error (95% CI)	0.0 (−0.1–0.09)	−0.05 (−0.2–0.1)	−0.01 (−0.07–0.04)	0.15 (−0.1–0.4)	0.01 (−0.06–0.08)
	SD	0.48	0.77	0.28	1.29	0.37
	RMSE	0.48	0.77	0.28	1.3	0.37
	Pearson correlation r (p-value)	0.96 (<0.001)	0.97 (<0.001)	1.0 (<0.001)	0.96 (<0.001)	1.0 (<0.001)

ICC, intraclass correlation coefficient; CI, confidence interval; SD, standard deviation; RMSE, root mean square error.