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

Table 2 Independent t-test results of measurement differences between control group and study group

Imaging modalities	Measurement	Control Group Mean ± SD	Study Group Mean ± SD	p value
MRI	APA Difference	2.58 ± 2.25	7.23 ± 10.81	.000*
	SIA Difference	2.77 ± 2.41	-1.86 ± 7.12	.000*
	AS Difference	0.49 ± 0.36	0.44 ± 0.87	*.613*
	SS Difference	0.61 ± 0.45	-0.27 ± 0.90	.000*
	PS Difference	0.44 ± 0.35	-0.04 ± 0.77	.000*
OPT	APA Difference	11.83 ± 10.62	-0.002 ± 16.89	.000*
	SIA Difference	9.86 ± 8.29	-3.78 ± 15.47	.000*
	AS Difference	0.67 ± 0.57	-0.13 ± 1.96	.000*
	SS Difference	1.29 ± 0.99	2.34 ± 2.78	.002*
	PS Difference	1.81 ± 1.61	0.142 ± 5.03	.000*
LPG	APA Difference	13.48 ± 9.21	-3.03 ± 20.19	.000*
	SIA Difference	4.90 ± 4.33	-1.36 ± 7.54	.000*
	AS Difference	0.85 ± 0.92	0.11 ± 1.10	.000*
	SS Difference	0.91 ± 0.66	2.05 ± 2.24	.000*
	PS Difference	1.14 ± 1.15	0.16 ± 1.44	.000*

Abbreviations: 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