| Case no. | Age (years) | Sex | Duration of persistent epithelial defect (months) | Time to complete healing (days) | Stem-cell deficiency |
| 1 | 57 | F | 10.0 | 3 | No |
| 2 | 67 | M | 15.0 | 10 | Yes (total) |
| 3 | 73 | M | 1.0 | 22 | No |
| 4 | 70 | M | Unknown | NR | Yes (subtotal) |
| 5 | 84 | F | 2.5 | NR | Yes (subtotal) |
| 6 | 78 | M | 1.0 | 4 | No |
| 7 | 59 | M | 1.0 | NR | No |
| 8 | 78 | M | 0.4 | 3 | No |
| 9 | 67 | M | 0.6 | 11 | No |
| 10 | 38 | M | 0.5 | NR | No |
| 11 | 39 | F | 6.0 | NR | No |
| 12 | 61 | F | 2.0 | 21 | No |
| 13 | 79 | M | 1.0 | 6 | No |
| 14 | 83 | F | 11.0 | NR | No |
| 15 | 82 | M | 1.0 | 7 | No |
| 16 | 83 | F | 0.1 | 8 | No |
| 17 | 74 | M | 0.5 | 23 | No |
| 18 | 58 | M | 3.0 | 4 | No |
| 19 | 78 | F | 2.5 | 7 | No |
| 20 | 37 | M | 12.0 | 12 | No |
| 21 | 58 | M | 0.5 | 5 | No |
| 22 | 69 | F | 0.5 | 5 | No |
| 23 | 78 | M | 5.0 | NR | Yes (total) |
| 24 | 50 | M | 0.3 | 1 | No |
| 25 | 28 | M | 0.5 | 23 | No |
| 26 | 79 | F | 1.2 | 25 | No |
| Mean | 65.7 | 3.2 | 10.5 | ||
| SD | 16.2 | 4.3 | 8.1 | ||
| n | 26 | 25 | 19 |
NR, non-responder.