[Retracted] Prediction of the Collapse of Necrotic Femoral Head by CT and X-Ray Examinations before Hip Replacement Based on Intelligent Medical Big Data

Table 3

CT diagnosis results.

		Measurement results of solid bone (n = 57,900)		Total
		Stage III	Nonstage III
CT scan measurement results (n = 57,900)	Stage III	51,100	430	51,530
	Nonstage III	1450	4920	6370
Total		52,550	5350	57,900
		Measurement results of solid bone (n = 19,900)		Total
		Stage IV	Nonstage IV
CT scan measurement results (n = 19,900)	Stage IV	17,010	150	17,160
	Nonstage IV	400	2340	2740
Total		17,410	2490	19,900