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Bleb morphology score of filtered eyes before and after phacoemulsification
| Mean score | SD | p Value | Total appearance of filtering bleb (max 12 points) | |||
| Insufficient ⩽6 | Medium | Favourable ⩾10 | ||||
| Before phaco | 9.5 | 2.8 | 17% | 50% | 33% | |
| 1st–4th postop day | 8.7 | 3.0 | 0.0214* | 21% | 54% | 25% |
| 6 months postop | 9.3 | 3.0 | 0.935 | 24% | 40% | 36% |
| 12 months postop | 8.9 | 3.4 | 0.154 | 15% | 60% | 27% |
*Statistical significant (Wilcoxon test).
