[Retracted] Computational Analysis of the Related Factors of Deep Vein Thrombosis (DVT) Formation in Patients Undergoing Hip Fracture Surgery

Table 3

Curvilinear regression coefficient of age and operation duration.

	Nonstandardized coefficient		Normalization coefficient	t
	B	Standard error	Beta
Constant	243.905	80.435	—	3.032	0.006
Age (years)	−3.040	2.890	−1.143	−1.052	0.303
Age (years)2	0.018	0.024	0.785	0.723	0.477

 < 0.01. Dependent variable, operation duration (minutes).