Table 2.

The results of the Bonferroni post hoc test, comparing the esthetic scores given by the 3 rater groups to each of the questions with a significant ANCOVA.

Image	I	J	Difference (I-J)	SE	P	95% CI
F16 (IG : IZ = 87.80%)	OMFS	Orthodontist	-0.65	0.49	0.5421	-1.83	0.53
	OMFS	Laypeople	0.84	0.43	0.1546	-0.20	1.88
	Orthodontist	Laypeople	1.50	0.41	0.0012	0.50	2.50
F17 (IG : IZ = 86.03%)	OMFS	Orthodontist	-0.75	0.45	0.2826	-1.84	0.33
	OMFS	Laypeople	0.76	0.39	0.1673	-0.20	1.72
	Orthodontist	Laypeople	1.52	0.38	0.0003	0.60	2.44
F18 (IG : IZ = 84.04%)	OMFS	Orthodontist	-0.72	0.49	0.4320	-1.90	0.47
	OMFS	Laypeople	0.79	0.43	0.2014	-0.25	1.84
	Orthodontist	Laypeople	1.51	0.41	0.0011	0.51	2.51
F19 (IG : IZ = 82.12%)	OMFS	Orthodontist	-0.76	0.48	0.3467	-1.91	0.40
	OMFS	Laypeople	0.89	0.42	0.1097	-0.13	1.91
	Orthodontist	Laypeople	1.65	0.40	0.0003	0.66	2.63
F20 (IG : IZ = 80.21%)	OMFS	Orthodontist	-0.68	0.48	0.4880	-1.85	0.49
	OMFS	Laypeople	0.75	0.43	0.2404	-0.28	1.78
	Orthodontist	Laypeople	1.43	0.41	0.0020	0.44	2.42
F21 (IG : IZ = 78.29%)	OMFS	Orthodontist	-0.47	0.46	0.9393	-1.59	0.65
	OMFS	Laypeople	0.91	0.41	0.0799	-0.07	1.90
	Orthodontist	Laypeople	1.38	0.39	0.0018	0.43	2.33
F22 (IG : IZ = 76.37%)	OMFS	Orthodontist	-0.70	0.48	0.4304	-1.86	0.46
	OMFS	Laypeople	0.79	0.42	0.1889	-0.23	1.81
	Orthodontist	Laypeople	1.49	0.40	0.0010	0.51	2.48
F24 (IG : IZ = 72.53%)	OMFS	Orthodontist	-0.54	0.48	0.7917	-1.70	0.62
	OMFS	Laypeople	0.92	0.42	0.0944	-0.11	1.94
	Orthodontist	Laypeople	1.46	0.41	0.0014	0.47	2.44

F: frontal view; SE: standard error; CI: confidence interval. Significant P values in bold.