. Author manuscript; available in PMC: 2012 Jul 1.

Published in final edited form as: Arthritis Care Res (Hoboken). 2011 Jul;63(7):1055–1061. doi: 10.1002/acr.20471

Table 2.

Characteristics of patients included and excluded from this study.

	Included N=346	Excluded N=189	p-value^†
Mean Age (SD), years	57.1 (13.9)	58.4 (14.9)	0.39
Female (%)	43.9%	50.2%	0.15
Wegener’s Granulomatosis (%)	58.5%	41.6%	<0.001
Mean Baseline BVAS (SD)	17.6 (8.5)	19.2 (8.4)	0.041
Median eGFR (IQR), ml/min	33.5 (10.9 to 70.0)	18.9 (7.6 to 51.9)	<0.001^‡
Organ Involvement (%)
General	91.9	87.1	0.009
Cutaneous	23.5	23.9	0.91
Mucous Membrane/Eye	30.4	26.4	0.22
ENT	52.9	46.0	0.036
Chest	52.5	46.6	0.071
Cardiac	5.7	4.9	0.69
Abdominal	4.7	6.7	0.18
Renal	86.8	92.3	0.007
Neurologic	20.1	20.8	0.81

^†

p-values from t-tests for continuous variables or Fisher’s exact test for categorical variables except where noted;

^‡

p-value from Mann-Whitney test.

SD = standard deviation; BVAS = Birmingham Vasculitis Activity Score; eGFR = estimated glomerular filtration rate; IQR = interquartile range; ENT = ears, nose and throat.