[Retracted] Evidence-Based Analysis on Observation for Nursing Care of Patients with Intra-Aortic Balloon Pumping

Table 5

Results of stepwise regression analysis (n = 52).

	Nonstandardized coefficient		Normalization coefficient	t		VIF	R^2	Adjust r	F
	B	Standard error	Beta
Constant	36.755	5.260	-	6.987	≤0.001	—	0.150	0.133	F (1, 50) = 8.857,
Dorsalis pedis artery pulsation	−2.103	0.707	−0.388	−2.976	0.004	1.000

Dependent variable: total operation time of IABP. D-W value: 2.019.