Demographics
| Total patients | 26 | TGP with visible probe | 914 (91.8%) |
| Male:female | 5:21 | False passages | 0% |
| Age (mean) | 65.6 years | WGA visualised | 140 |
| Total lids (lower) | 38 | WGA (probed) | 139 (14% of TGP) |
| Lids with at least one WGA | 24 | Percentage of WGA with fixed obstruction | 76% |
| Glands visualised | 997 | Non-WGA (probed) | 857 (86% of TGP) |
| TGP | 996 | Percentage of all glands with fixed obstruction | 73.5% |
TGP, total glands probed; WGA, whole gland atrophy.