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Incidence of new problems
| Incidence of new problems | New cases | Incidence rate | 95% confidence interval |
| Phacoemulsification | |||
| Any problems (IOP >=30 mmHg) | 36 | 9.8% | (7.0% to 13.6%) |
| Any problems (IOP >=35 mmHg) | 25 | 6.6% | (4.5% to 9.9%) |
| Extracapsular | |||
| Any problems (IOP >=30 mmHg) | 8 | 16.3% | (7.3% to 29.7%) |
| Any problems (IOP >=35 mmHg) | 8 | 16.3% | (7.3% to 29.7%) |
| Combined | |||
| Any problems (IOP >=30 mmHg) | 44 | 10.6% | (7.8% to 14.0%) |
| Any problems (IOP >=35 mmHg) | 33 | 8.0% | (5.5% to 11.0%) |
