Laboratory findings at presentation in 42 infants with histologically proved colitis
| No (total) | Percentage | |
|---|---|---|
| Anaemia (Hb < 105 g/l) | 15 (42) | 35.7 |
| Eosinophilia (> 800 abs) | 6 (42) | 14.3 |
| Thrombocytosis (> 4 × 1011) | 23 (41) | 56.1 |
| Raised ESR | 18 (37) | 48.6 |
| Albumin (< 35 g/l) | 23 (42) | 54.8 |
| NBT test normal | 12 (12) | 100 |
| RAST negative | 32 (32) | 100 |
| Positive autoantibodies | ||
| Smooth muscles | 2 (26) | 7.7 |
| Gut | 3 (26) | 11.5 |
| Others | 0 (26) | 0.0 |
| T lymphocytes | ||
| Low CD3 and CD4 | 6 (13) | 46.1 |
| Abnormal PHA response | 3 (9) | 33.3 |
| Immunoglobulins | ||
| IgG (< 3.1 g/l) | 10 (38) | 26.3 |
| IgA (< 0.3 g/l) | 18 (38) | 47.3 |
| IgE (> 22 IU/ml) | 3 (22) | 13.6 |
| IgG2 (< 35 mg/dl) | 16 (27) | 59.2 |
| IgG4 (< 4.8 mg/dl) | 13 (27) | 48.1 |
Others = antinuclear, mitochondrial, reticulin, and gastric parietal cell antibodies; ESR = erythrocyte sedimentation rate; Hb = haemoglobin; PHA = phytohaemagglutinin.