Egyptian Journal of Radiology and Nuclear Medicine

Table 4 Correlation coefficient between grade and symptoms as well as treatment outcome for each reader

From: Reliability and clinical validity of the Kang MRI grading system for cervical central spinal stenosis

Reader		Correlation coefficient (R)	P Value
Resident 1	Pain	0.197	0.076
	Neuropathic Symptoms	0.375	< 0.001
	Motor affection	0.485	< 0.001
	Treatment	0.452	< 0.001
Resident 2	Pain	0.253	0.022
	Neuropathic Symptoms	0.414	< 0.001
	Motor affection	0.444	< 0.001
	Treatment	0.529	< 0.001
MSK Radiologist 1	Pain	0.225	0.43
	Neuropathic Symptoms	0.325	< 0.001
	Motor affection	0.506	< 0.001
	Treatment	0.493	< 0.001
MSK Radiologist 2	Pain	0.200	0.072
	Neuropathic Symptoms	0.440	< 0.001
	Motor affection	0.420	< 0.001
	Treatment	0.481	< 0.001

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