From: Anti-proteinase 3 antineutrophil cytoplasmic antibody reflects disease activity and predicts the response to steroid therapy in ulcerative colitis
Odds ratio
95% Confidence interval
P value
Disease duration
1.01
0.92–1.10
0.871
CRP
0.97
0.81–1.15
0.693
Fecal hemoglobin
1.00
1.00–1.00
0.804
Partial Mayo score
1.35
0.97–1.87
0.077
PR3-ANCA positive
5.19
1.54–17.50
0.008