Retroauricular subperiosteal vs systemic intravenous glucocorticoid administration on efficacy and blood glucose in diabetic patients with sudden deafness

Table 3 The observation group is significantly lower than the control group in the incidence of adverse reactions, n (%)

	Observation group (n = 66)	Control group (n = 62)	χ2	P value
Dizziness	3 (4.55)	4 (6.45)
Nausea	1 (1.52)	3 (4.84)
Insomnia	1 (1.52)	3 (4.84)
Eye swelling and pain	0 (0.00)	4 (6.45)
Total adverse reactions	5 (7.58)	14 (22.58)	5.694	0.017