Table 5.
Clinical characteristics of patients with occult OGIB, per diagnosis.
| Characteristic | Vascular lesion | Ulcer or erosive lesion | Tumor | No lesion |
|---|---|---|---|---|
| (n = 11) | (n = 18) | (n = 4) | (n = 69) | |
| Age (years) | 68.8 ± 17.9 | 70.8 ± 16.1 | 53.8 ± 25.2 | 63.4 ± 17.5 |
| Sex ratio (male/female) | 9/2a | 8/10 | 0/4 | 33/36 |
| Laboratory values | ||||
| WBC (/μL) | 5287 ± 1553 | 6030 ± 2416 | 5958 ± 1402 | 5287 ± 2130 |
| Hemoglobin (g/dL) | 7.4 ± 2.0 | 9.3 ± 2.4b | 8.0 ± 2.4 | 7.6 ± 2.0 |
| Platelets (/μL) | 21.5 ± 5.9 | 22.5 ± 8.7 | 33.6 ± 8.8a | 23.0 ± 9.2 |
| Total protein (g/dL) | 6.6 ± 0.9 | 6.6 ± 0.6 | 6.1 ± 1.6 | 6.9 ± 0.6 |
| Albumin (g/dL) | 3.8 ± 0.5 | 3.9 ± 0.5 | 3.9 ± 0.3 | 4.0 ± 0.6 |
| CRP (mg/dL) | 0.40 ± 0.85 | 0.68 ± 0.96 | 0.08 ± 0.39 | 0.35 ± 0.80 |
| Plasma ferritin (mg/L) | 7.5 ± 4.6 | 13.5 ± 12.1 | 13.6 ± 11.0 | 9.3 ± 8.7 |
| Symptom(s) | ||||
| Diarrhea | 0 (0) | 0 (0) | 0 (0) | 5 (7) |
| Body weight loss | 0 (0) | 0 (0) | 1 (25) | 2 (3) |
Number (%) of patients or mean ± SD values is shown.
a P < 0.05, b P < 0.01, compared with no lesion.
WBC: white blood cell count; CRP: C-reactive protein.