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

Table 2

Model summary for operative time.

	Primary independent variables
	Coefficient estimate	Standard error	value
(Intercept)	108.27007	17.71126	<0.001
Blood loss	0.11575	0.02739	<0.001
T_FocalDebridement	23.61903	10.76961	0.035
Statistic	Value	DF	value
F	57.76	(2, 34)	<0.001
R^2	0.7726