Table 2.

Inter-rater and intra-rater intraclass correlation coefficients (ICCs) and their 95% confidence intervals (CIs)

	Inter-rater ICC (95% CI)	Intra-rater ICC (95% CI)
L1–L5 MAT	0.822 (0.624–0.924), good	0.963 (0.908–0.985), excellent
L1–L5 CON	0.882 (0.747–0.950), good	0.967 (0.920–0.987), excellent
L1–S1 MAT	0.865 (0.759–0.937), good	0.980 (0.950–0.992), excellent
L1–S1 CON	0.903 (0.812–0.957), excellent	0.927 (0.818–0.971), excellent
SS MAT	0.751 (0.585–0.877), good	0.963 (0.908–0.985), excellent
SS CON	0.905 (0.816–0.958), excellent	0.952 (0.872–0.982), excellent
L1–L5 EOS	0.859 (0.666–0.943), good	0.980 (0.950–0.992), excellent
L1–S1 EOS	0.907 (0.810–0.960), excellent	0.968 (0.920–0.987), excellent
SS EOS	0.892 (0.757–0.955), good	0.958 (0.833–0.986), excellent
PI EOS	0.891 (0.767–0.953), good	0.959 (0.883–0.985), excellent

CON Control, EOS EOS System, MAT Mattress, PI Pelvic incidence, SS Sacral slope