Impact Factors on Posterior Modified Transfacet Debridement for Thoracic Spinal Tuberculosis Basing on Regression and Classification Analysis

Table 3

Model summary for blood loss.

	Primary independent variables
	Coefficient estimate	Standard error	value
(Intercept)	−506.0542	103.9502	<0.001
Operative time	4.4878	0.4491	<0.001
Statistic	Value	DF	value
F	99.85	(1, 35)	<0.001
R^2	0.7404