Table 1

Baseline demographics of patients with biopsy proven ANCA-associated vasculitis, subdivided by deprivation quintile

All cases
n=339
Q1
n=59
Q2
n=70
Q3
n=62
Q4
n=70
Q5
n=72
P value
Male, n (%)156 (46)25 (42)28 (40)27 (44)38 (54)35 (48)N/A
Age±SD (years)66±1364±1268±1163±665±1368±13NS
MPA, n (%)209 (62)32 (54)46 (66)36 (58)40 (57)51 (71)N/A
GPA, n (%)130 (38)27 (46)24 (34)26 (42)30 (43)21 (29)N/A
uPCR*146 (80–271)99 (34–211)127 (72–226)147 (77–244)147 (103–281)138 (78–281)NS
eGFR*32.0± 27.233.8 ± 28.931.7 ± 26.532.8 ± 25.930.7 ± 23.331.5 ± 23.2NS
  • Six patients were excluded from deprivation analysis as postcode unavailable.

  • *Mean (SD) values eGFR (mL/min/1.73 m2) and median (IQR) of urine protein:creatinine ratio mg/mmol). Six patients were excluded from deprivation analysis.

  • eGFR, estimated glomerular filtration rate; GPA, granulomatosis polyangiitis; MPA, microscopic polyangiitis; Q1, most deprived; Q5, least deprived.