Table 2.
Demographic and Laboratory Features of Pediatric Patients With AIH‐1 and AIH‐2
| Pediatric AIH | ||
|---|---|---|
| AIH‐1 | AIH‐2 | |
| Number | 24 (38.1%) | 39 (61.9%) |
| Mean age (range) | 9.1 (2–17) | 8.1 (2–15) |
| Male | 6 (25.0%) | 8 (20.5%) |
| Female | 18 (75.0%) | 31 (79.5%) |
| ANA (HEp‐2‐IIF) | 16 (66.6%) | 15 (38.4%) |
| homogeneous | 8 (50.0%) | 3 (20.0%) |
| speckled | 6 (37.5%) | 8 (53.3%) |
| nucleolar | 2 (12.5%) | 1 (6.6%) |
| centriole | – | 1 (6.6%) |
| dense fine speckled | – | 1 (6.6%) |
| CENP‐F | – | 1 (6.6%) |
| SMA (rat tissue‐IIF) | 11 (45.8%) | – |
| ANA + SMA | 4 (16.7%) | – |
| F‐actin (VSM47‐IIF) | 7 (29.1%) | – |
| F‐actin (rat epithelial cells‐IIF) | 7 (29.1%) | – |
| SLA/LP (line‐blot) | 1 (4.2%) | – |
| LKM1 IIF | – | 26 (66.7%) |
| LKM1 (line‐blot) | – | 25 (64.1%) |
| LC1 IIF | – | 7 (17.9%) |
| LC1 (line‐blot) | – | 23 (59.0%) |
| LKM1 (line‐blot) alone | – | 16 (41.0%) |
| LC1 (line‐blot) alone | – | 14 (35.9%) |
| LKM1 + LC1 (line‐blot) | – | 9 (23.0%) |
| AMA (line‐blot) | – | 1 (2.5%) |
| sp‐100 (line‐blot) | – | – |
| gp‐210 (line‐blot) | 1 (4.2) | – |
| PML (line‐blot) | – | – |