[Retracted] The Application of Dopamine Combined with Intravenous Furosemide Infusion Therapy Has an Apparent Clinical Effect in Treating Patients with Heart Failure

Table 4

Comparison of adverse events in the two groups of patients .

Group	Number of cases	Nausea	Headaches	Hypokalemia	Blurred vision	Total incidences
Reference group	75	2 (2.67)	4 (5.33)	1 (1.33)	1 (1.33)	8 (10.67)
Study group	75	2 (2.67)	4 (5.33)	1 (1.33)	2 (2.67)	9 (12.00)
x ^2	—	0.066
	—	0.797