Table 4 Summary of results of intraclass correlation coefficient and Bland–Altman analysis
Measurement | Intrarater 1 ICC (95%CI) | Intrarater 2 ICC (95%CI) | Interrater ICC (95%CI) | 95% CI of bias | Lower limit of agreement (95% CI) | Upper limit of agreement (95% CI) |
|---|---|---|---|---|---|---|
Upper lip height (Sn-Sto) | 0.88 (0.85–0.96) | 0.93 (0.88–0.98) | 0.85 | − 0.26 to 0.14 | − 1.37 (− 1.71 to − 1.02) | 1.24 (0.90 to 1.58) |
Lower lip height (Sl-Li) | 0.85 (0.81–0.91) | 0.89 (0.85–0.92) | 0.82 | − 0.36 to − 0.04 | − 1.26 (− 1.53 to − 0.98) | 0.86 (0.58 to 1.13) |
Upper vermilion height (Ls-Sto) | 0.94 (0.87–0.96) | 0.97 (0.95–0.99) | 0.92 | − 0.01 to 0.16 | − 0.46 (− 0.60 to − 0.32) | 0.61 (0.47 to 0.75) |
Lower vermilion height (Li-Sto) | 0.98 (0.97–0.99) | 0.99 (0.98–0.99) | 0.98 | − 0.09 to 0.01 | − 0.37 (− 0.45 to − 0.28) | 0.28 (0.20 to 0.37) |
Philtral length (Sn-Ls) | 0.99 (0.97–0.99) | 0.99 (0.98–0.99) | 0.98 | − 0.04 to 0.09 | − 0.38 (− 0.49 to − 0.28) | 0.43 (0.33 to 0.54) |
Philtral width (CphR-CphL) | 0.89 (0.86–0.94) | 0.94 (0.89–0.99) | 0.84 | − 0.14 to 0.10 | − 0.81 (− 1.01 to − 0.60) | 0.76 (0.56 to 0.97) |
Nasolabial angle (Prn-Sn-Ls) | 0.97 (0.94–0.99) | 0.99 (0.98–0.99) | 0.97 | − 0.26 to 0.72 | − 3.01 ( − 3.85 to − 2.16) | 3.46 (2.62 to 4.31) |
Labial fissure width (Lch-Rch) | 0.99 (0.97–0.99) | 0.99 (0.98–0.99) | 0.98 | − 0.10 to 0.11 | − 0.69 ( − 0.87 to − 0.51) | 0.70 (0.52 to 0.88) |
Facial convexity (Gl-Sn-Pg’) | 0.98 (0.95–0.99) | 0.99 (0.98–0.99) | 0.98 | − 0.18 to 0.16 | − 1.12 (− 1.41 to − 0.83) | 1.10 (0.81 to 1.39) |
Facial height (N’-Gn’) | 0.95 (0.89–0.98) | 0.98 (0.95–0.99) | 0.93 | − 0.31 to 0.40 | − 2.33 (− 2.95 to − 1.71) | 2.41 (1.80 to 3.03) |
Nasal angle (N’-Prn-Sn) | 0.99 (0.97–0.99) | 0.99 (0.98–0.99) | 0.96 | 0.01 to 0.68 | − 1.87 (− 2.45 to − 1.29) | 2.57 (1.99 to 3.14) |
Nasofrontal angle (Gl-N’-Prn) | 0.94 (0.90–0.96) | 0.96 (0.92–0.98) | 0.91 | − 0.60 to 0.46 | − 3.56 (− 4.47 to − 2.65) | 3.42 (2.51 to 4.33) |