Efficacy of Bloodletting Therapy in Patients with Chronic Idiopathic Urticaria: A Randomized Control Trial

Table 3

Primary outcomes of treatment groups and treatment comparisons (ITTA).

Outcomes	Group A	Group B	Group C	χ2 test	Multiple comparison
	n = 57 (%)	n = 47 (%)	n = 56 (%)	( value)	A&B	A&C	B&C
					χ2 ( value)	χ2 ( value)	χ2 ( value)
Week 4	42	26	24	13.308	9.330	11.050	0.087
UAS7 ≤ 7	(73.7)	(45.6)	(42.9)	(0.001)	(0.004)	(0.001)	(0.850)
Week 5	42	25	29	11.059	10.462	5.800	0.711
UAS7 ≤ 14	(73.7)	(43.9)	(51.8)	(0.004)	(0.002)	(0.020)	(0.454)
Week 8	35	13	12	25.621	17.417	18.581	0.031
UAS7 ≤ 14	(61.4)	(22.8)	(21.4)	(<0.001)	(<0.001)	(<0.001)	(1.000)

Intention-to-treat analysis; bilateral, α = 0.05; bilateral .