| Patients with IE (n = 274) | Patients with HBV (n = 223) | P value |
---|
Mean age (yr)a | 58.55 | 49.1 | |
Males/femalesa | 135/64 | 132/91 | 0.07 |
ANCA-positive/ANCA-negative | 73/201 | 42/181 | 0.04 |
ANCA (by IIF) |
c-ANCA | 56 | 18 | 0.08 |
p-ANCA | 14 | 21 | 0.01 |
c-ANCA + p-ANCA | ─ | 1 | 0.79 |
ANCA (by ELISA)b |
PR3 | 34 | 19 | 0.9 |
MPO | 7 | 8 | 0.21 |
PR3 + MPO | 4 | ─ | 0.33 |
Outcomes |
Death c | 37 (ANCA-positive 10) | 4 | < 0.001 |
- Abbreviations: ANCA Antineutrophil cytoplasmic antibodies, c-ANCA Cytoplasmic antineutrophil cytoplasmic antibodies, ELISA Enzyme-linked immunosorbent assay, HBV Hepatitis B virus, IE Infective endocarditis, IIF Indirect immunofluorescence, MPO Myeloperoxidase, p-ANCA Perinuclear antineutrophil cytoplasmic antibodies, PR3 Proteinase 3
- aOnly three references have mentioned age and sex in patients with IE among all five references
- bPR3- and MPO-ANCAs were detected by ELISA in patients with HBV only in two references
- cOnly four references describing patients with IE and two references describing patients with HBV have mentioned outcomes