Comparison of the complications and IOL implantation method
| Trained group | Untrained group | OR (95% CI) | P value | |
| No of operations | 1656 | 1315 | ||
| No of cases with the complication* (%) | 225 (13.6) | 228 (17.3) | 0.75 (0.61 to 0.92) | 0.005 |
| Posterior capsule rupture | 140 (8.5) | 136 (10.3) | 0.80 (0.62 to 1.02) | 0.08 |
| Tearing anterior capsulorrhexis | 83 (5.0) | 81 (6.2) | 0.80 (0.59 to 1.10) | 0.17 |
| Zonule dialysis | 11 (0.7) | 14 (1.1) | 0.62 (0.28 to 1.37) | 0.23 |
| Retained lens material | 0 (0) | 15 (1.1) | 0.027 (0.002 to 0.455) | <0.001 |
| Other complications | 35 (2.1) | 37 (2.8) | 0.95 (0.59 to 1.51) | 0.21 |
| IOL implantation† (%) | ||||
| In the bag | 1512 (91.8) | 1197 (91.1) | 0.44 | |
| In sulcus | 127 (7.7) | 104 (7.9) | ||
| Scleral fixation | 1 (0.1) | 2 (0.2) | ||
| Surgical aphakia | 7 (0.4) | 11 (0.8) |
*Single or multiple complications may occur in each surgery.
†Data were unavailable in some cases due to incomplete medical records.
IOL, intraocular lens.