[Retracted] Combination of Methotrexate and Leflunomide Is Efficient and Safe for 60 Patients with Rheumatoid Arthritis

Table 2

Adverse reactions in the 2 groups.

Group		Oral ulcer	Elevated transaminase	Vomiting	Adverse reactions
Observation	60	3 (5.000)	4 (6.670)	4 (6.670)	11 (18.330)
Control	60	2 (3.330)	2 (3.330)	5 (8.330)	9 (15.00)
		5.144	2.019	4.472	4.116
		0.431	0.757	0.191	0.257