Table 1: Differences in Laboratory and Clinical Characteristics, Comparing the ANCA-PR3-Positive Group with the ANCA-MPO-Positive Group

ANCA-PR3+ ANCA-MPO+ P-Value
Leukocyte count (*109/l) 13.4 8.7 0.001
Hemoglobin (mmol/l) 6.9 7.6 0.144
Platelet count (*109/l) 371 305 0.090
Mean ESR (mm/hr) 86 58 0.010
Erytrocyturia (%) 81 38 0.012
Proteinuria (%) 88 50 0.022
Dyspnoe (%) 39 41 0.890
Fever (%) 56 12 0.006
Weight loss (%) 56 41 0.395

Mean values or percentages given with p-values.