Table 1.

Mean, standard deviations and ICC values of each measurement method

Methods	Mean ± SD	Intraobserver reliability			Interobserver reliability
		ICC	95 % CI	MAD	ICC	95 % CI	MAD
C L1–S1	33.1 ± 11.3	0.96	0.94–0.97	3.3	0.95	0.92–0.96	4.4
C L1–L5	23.1 ± 11.7	0.97	0.95–0.98	2.9	0.96	0.95–0.98	3.4
Centroid	25.3 ± 11.2	0.90	0.85–0.93	5.1	0.86	0.79–0.91	7.1
P L1–S1	43.0 ± 11.1	0.90	0.85–0.93	5.4	0.93	0.89–0.95	5.7
P L1–L5	18.7 ± 11.3	0.85	0.77–0.90	5.6	0.90	0.85–0.94	5.6
TRALL	29.3 ± 8.1	0.77	0.66–0.84	5.3	0.83	0.75–0.89	6.4