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Table 1 Intra-rater agreement of repeated VAS ratings tested through the intraclass correlation coefficient (ICC, two-way random model, absolute agreement, results regarding average measures)

From: Facial esthetic outcome of functional followed by fixed orthodontic treatment of class II division 1 patients

Intra-rater agreementOrthodontistsPatientsParentsLaypersonsAll
Face0.61 (CI 0.25, 0.80)0.74 (CI 0.49, 0.87)0.78 (CI 0.57, 0.89)0.40 (CI − 0.18, 0.69)0.68 (CI 0.56, 0.77)
Lower face0.45 (CI − 0.08, 0.72)0.60 (CI 0.21, 0.80)0.70 (CI 0.41, 0.85)0.48 (CI − 0.02, 0.73)0.61 (CI 0.46, 0.72)
Upper lip0.37 (CI − 0.25, 0.68)0.80 (CI 0.60, 0.90)0.69 (CI 0.39, 0.84)0.55 (CI 0.12, 0.77)0.68 (CI 0.56, 0.77)
Lower lip0.58 (CI 0.18, 0.78)0.23 (CI − 0.51, 0.61)0.59 (CI 0.19, 0.79)0.50 (CI 0.05, 0.74)0.43 (CI 0.21, 0.59)
Chin0.50 (CI 0.00, 0.74)0.59 (CI 0.20, 0.79)0.80 (CI 0.62, 0.90)0.53 (CI 0.09, 0.76)0.64 (CI 0.50, 0.74)