Cefoperazone sodium/sulbactam sodium vs piperacillin sodium/tazobactam sodium for treatment of respiratory tract infection in elderly patients

Table 4 Comparison of the incidence of adverse reactions between the two groups, n (%)

Group	n	Pain at injection site	Skin itch	Vomiting and nausea	Gastrointestinal reaction	Total incidence rate
Study	37	1 (2.50)	0 (0.00)	2 (5.00)	0 (0.00)	3 (7.50)
Control	37	1 (2.50)	2 (5.00)	1 (2.50)	1 (2.50)	5 (12.50)
χ2						0.140
P value						0.708