Influence of growth structures and fixed appliances on automated cephalometric landmark recognition with a customized convolutional neural network

Table 5 Comparison of model performance across different patient groups

	I. No fixed orthodontic appliances					II. Orthodontic brackets and/or bands and other fixed orthodontic appliances
	I/1 Permanent Dentition		I/2 Mixed Dentition		T-Test Between Groups I/1 and I/2	II Permanent Dentition		T-Test Between Groups I/1 and II
N	141		164			135
	MRE (mm)	SD (mm)	MRE (mm)	SD (mm)	*p value*	MRE (mm)	SD (mm)	*p value*
A-Point	1.21	0.71	1.31	0.76	0.25	1.31	0.84	0.30
Ap-Superior	1.90	1.21	2.15	1.52	0.12	1.72	1.07	0.19
Ap-Inferior	1.72	1.12	2.32	1.63	< 0.01	1.61	0.97	0.35
ANS	1.72	1.14	1.77	1.76	0.78	1.66	1.31	0.66
Art	1.24	1.00	1.25	0.72	0.93	1.20	0.79	0.72
B-Point	1.24	0.60	1.25	0.70	0.90	1.27	0.74	0.77
Ba	1.66	1.15	1.69	1.19	0.83	1.53	1.01	0.32
Me	1.37	0.89	1.46	0.92	0.40	1.25	0.95	0.28
Is-Superior	0.86	0.50	1.20	1.15	< 0.01	0.88	0.44	0.64
Is-Inferior	1.14	0.71	1.24	1.22	0.39	1.18	0.73	0.64
N	1.16	0.67	1.32	0.92	0.07	1.12	0.64	0.60
Pog	1.63	1.13	1.80	1.44	0.25	1.52	0.96	0.35
PNS	1.68	1.27	1.71	1.45	0.87	1.59	1.10	0.54
S	1.01	0.64	0.93	0.63	0.31	0.89	0.53	0.10
T1	1.71	1.29	1.60	1.20	0.45	1.54	1.14	0.27
T2	1.68	1.09	1.75	1.23	0.57	1.64	1.12	0.77
AVERAGE	1.43	0.95	1.55	1.15		1.37	0.90

ISSN: 1472-6831