Faecal pancreatic enzyme activity subdivided according to HIV clinical categories
| Mild or no signs/symptoms (CDC class A) | Moderate signs/symptoms (CDC class B) | Severe signs/symptoms (CDC class C) | Total | |
| Enzyme activity | ||||
| Normal | 10 | 10 | 13 | 33 |
| Low | 2 | 4 | 8 | 14 |
| Total | 12 | 14 | 21 | 47 |
CDC classification.13
p>0.05 χ2 test for trend.