Gelatinases A and B levels in trachoma and control specimens (scanning units)
| Patient No | Gelatinase A | Gelatinase B |
| Trachoma | ||
| 1 | 205 | 1097 |
| 2 | 217 | 1462 |
| 3 | 137 | 2499 |
| 4 | 256 | 1648 |
| 5 | ND | 572 |
| 6 | 661 | 3778 |
| 7 | 276 | 1121 |
| Control | ||
| 1 | ND | 629 |
| 2 | 411 | 848 |
| 3 | 179 | 1110 |
| 4 | 238 | 1004 |
| 5 | 200 | 371 |
| 6 | 171 | 166 |
| 7 | 64 | 137 |
ND = not detected.