Table 2 Number of cases and rate of loss to follow-up in the experimental and control groups
| Â | Experimental group | Control group |
|---|---|---|
Total (patients/eyes) | 487/592 | 481/609 |
1 month postoperatively | Â | Â |
Outpatient follow-up (eyes)/Missing rate | 453/23.5% | 447/26.6% |
VF-QOL questionnaire follow-up (patients)/Missing rate | 425/12.7% | 434/9.8% |
6 months postoperatively | Â | Â |
Outpatient follow-up (eyes)/Missing rate | 359/39.9% | 373/38.8% |
VF-QOL questionnaire follow-up (patients)/Missing rate | 446/8.4% | 453/5.8% |