Table 1. Characteristics of clinical trials comparing AMT plus MMC with AMT alone (n).
| Author | Mean age (yr) | Design | Length (mo) | AMT plus MMC |
AMT alone |
||||||
| E | R | P | U | E | R | P | U | ||||
| Gao et al[11] | 45.7 | Randomized | 6-12 | 34 | 2 | 8 | / | 32 | 11 | 0 | / |
| Ma et al[8] | / | Randomized | >12 | 47 | 6 | / | / | 48 | 6 | / | |
| Shi et al[12] | 47.3 | Randomized | 12-24 | 36 | 3 | 4 | / | 36 | 12 | 0 | / |
| Li et al[10] | / | Randomized | 12-18 | 50 | 3 | / | / | 49 | 16 | / | / |
| Chen et al[13] | 49.56 | Randomized | 12-24 | 248 | 8 | / | / | 248 | 21 | / | / |
| Tao et al[9] | 53.5 | Randomized | 12 | 29 | 2 | / | 1 | 25 | 8 | / | 0 |
Note: AMT: Amniotic membrane transplantation; E: Eyes; R: Recurrence; P: Punctata keratitis; U: Ulcer of sclera; /: Unclear