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

Table 9

Means of DLQI and treatment comparisons for all time periods.

Time	Group A		Group B		Group C		Pairwise comparison
	N	Mean (SD)	N	Mean (SD)	N	Mean (SD)	A-B (95%CI)	A-C (95%CI)	B-C (95%CI)
							value	P value	P value
Baseline	58	11.46	58	9.64	58	9.64
		(0.84)		(0.86)		(0.84)
Week 1	57	7.18	57	5.79	56	5.93	0.12	−0.02	−0.14
		(5.64)		(5.33)		(4.58)	(−1.01, 1.26)	(−1.17, 1.12)	(−1.28, 1.00)
							0.832	0.970	0.802
Week 2	57	5.54	52	4.89	49	5.14	−0.19	−0.46	−0.27
		(4.67)		(5.35)		(4.72)	(−1.51, 1.12)	(−1.80, 0.88)	(−1.62, 1.09)
							0.772	0.497	0.698
Week 3	53	4.76	50	4.10	45	4.64	−0.30	−0.69	−0.39
		(4.44)		(4.69)		(4.50)	(−1.58, 0.99)	(−2.01, 0.63)	(−1.72, 0.94)
							0.650	0.306	0.562
Week 4	51	4.9	45	2.87	44	4.16	−0.77	−0.48	−1.25
		(3.94)		(3.83)		(4.36)	(−0.53, 2.06)	(−17.80, 0.82)	(−2.57, 0.08)
							0.245	0.466	0.066
Week 5	51	5.28 (4.13)	45	5.98	44	6.11	−1.82	−1.81	0.00
				(4.73)		(4.78)	(−3.08, −0.55)	(−3.08, −0.55)	(−1.29, 1.30)
							0.005	0.005	0.998
	51	6.14	45	8.18	44	9.16	−3.54	−4.40	−0.86
		(4.16)		(5.53)		(6.20)	(−4.54, −2.54)	(−5.40, −3.40)	(−1.88, 0.16)
							<0.001	<0.001	0.099

Based on estimated marginal means.