Table IV.
Logistic regression analysis of independent factors associating with a discrepant diagnosis by the two systems.
| Parameters | B | Odds ratios (OR) | Wald value | P-value | 95% CI |
|---|---|---|---|---|---|
| Drug history | 24.68 | 5.24E10 | 0.00 | 1.000 | 0.00 |
| Concurrent autoimmune diseases | 1.98 | 7.25 | 5.62 | 0.018 | 1.41–37.29 |
| IgG | |||||
| Normal | 4.12 | 0.128 | |||
| 1–1.1 × Normal | −3.96 | 0.02 | 4.07 | 0.044 | 0.00–0.89 |
| >1.1 × Normal | −2.05 | 0.13 | 2.38 | 0.123 | 0.01–1.73 |
| ANA or SMA | |||||
| <1:40 | 14.40 | 0.001 | |||
| 1:80>x≥1:40 | 0.41 | 1.51 | 0.18 | 0.676 | 0.22–10.26 |
| ≥1:80 | −3.32 | 0.04 | 12.27 | <0.001 | 0.01–0.23 |
| Anti-SLA/LP or pANCA | −2.15 | 0.12 | 5.24 | 0.022 | 0.02–0.74 |
| Liver histology | |||||
| Not tested | 0.59 | 0.743 | |||
| Compatible | −0.68 | 0.51 | 0.59 | 0.441 | 0.09–2.84 |
| Typical | −21.95 | 0.00 | 0.00 | 0.999 | 0.00 |
B, regression coefficient; CI, confidence interval; IgG, immunoglobulin G; ANA, antinuclear antibody; SMA, smooth muscle antibody; SLA/LP, soluble liver antigen/liver-pancreas antigen; pANCA, perinuclear antineutrophil cytoplasmic antibody.