The utilization of decision trees on orthopantomographic and lateral panoramic graphs for the diagnosis of unilateral anterior disc displacement of the temporomandibular joint

Table 1 Independent t-test results of measurement differences between ADDwR and ADDwoR patients within the study group

Imaging modalities	Measurement	ADDwR Mean ± SD	ADDwoR Mean ± SD	p value
MRI	APA Difference	7.16 ± 10.85	7.65 ± 10.15	*.834*
	SIA Difference	-1.33 ± 6.51	-2.69 ± 7.99	*.382*
	AS Difference	0.50 ± 0.81	0.34 ± 0.97	*.402*
	SS Difference	-0.19 ± 0.86	-0.40 ± 0.95	*.295*
	PS Difference	-0.03 ± 0.78	-0.05 ± 0.76	*.887*
OPT	APA Difference	2.16 ± 15.10	-3.36 ± 18.45	*.138*
	SIA Difference	-2.71 ± 13.28	-3.94 ± 12.38	*.675*
	AS Difference	-0.09 ± 0.88	-0.09 ± 0.76	*.985*
	SS Difference	2.54 ± 2.64	2.11 ± 3.01	*.498*
	PS Difference	-0.65 ± 2.81	0.24 ± 2.62	*.149*
LPG	APA Difference	2.60 ± 18.72	-8.45 ± 21.04	.012*
	SIA Difference	0.36 ± 6.90	-2.80 ± 5.18	.024*
	AS Difference	0.22 ± 1.26	-0.04 ± 0.81	*.230*
	SS Difference	2.11 ± 2.05	1.97 ± 2.52	*.776*
	PS Difference	0.09 ± 1.30	0.28 ± 1.64	*.557*

Abbreviations: ADDwR Anterior Disc Displacement with Reduction, ADDwoR Anterior Disc Displacement without Reduction, MRI Magnetic resonance imaging, OPT Orthopantomographic, LPG Lateral Panaromic Graphy, APA Antero-Poserior Angle, SIA Supero-inferior Angle, AS Anterior Space, SS Superior Space, PS Posterior Space
^*Independent t test, statistically significant difference within 95% confidence limits (p < 0.05)

ISSN: 1472-6831