Table 2.
Intraoperative Complications Occurred in Patients
| Complications | Study (N=232) | Control (N=243) | P1* | P2* | ||||
|---|---|---|---|---|---|---|---|---|
| 3rd year (N=47) | 4th year (N=185) | P* | 3rd year (N=73) | 4th year (N=170) | P* | |||
| Need for suturing | 4 (8.5%) | 13 (7.0%) | 0.820 | 10 (13.7%) | 15 (8.8%) | 0.191 | 0.424 | 0.210 |
| Anterior capsule tear | 4 (8.5%) | 9 (4.8%) | 0.260 | 5 (6.8%) | 9 (5.3%) | 0.774 | 0.640 | 0.320 |
| Inability to complete CCC | 3 (6.3%) | 0 (0.0%) | 0.008 | 4 (5.8%) | 2 (1.1%) | 0.202 | 0.344 | 0.033 |
| Posterior capsule tear with vitreous prolapse | 4 (8.5%) | 10 (5.4%) | 0.492 | 9 (12.3%) | 9 (5.3%) | 0.720 | 0.811 | 0.055 |
| Posterior capsule tear with intact anterior hyaloid face | 0 (0.0%) | 1 (0.5%) | >0.999 | 0 (0.0%) | 1 (0.5%) | >0.999 | >0.999 | >0.999 |
| Zonular dehiscence with vitreous prolapse | 0 (0.0%) | 0 (0.0%) | – | 0 (0.0%) | 0 (0.0%) | 0.302 | >0.999 | 0.250 |
| Zonular dehiscence without vitreous prolapse | 0 (0.0%) | 1 (0.5%) | >0.999 | 1 (1.3%) | 1 (0.5%) | 0.511 | >0.999 | >0.999 |
| Nucleus drop | 0 (0.0%) | 0 (0.0%) | – | 1 (1.3%) | 0 (0.0%) | 0.307 | >0.999 | 0.251 |
| Wound burn | 0 (0.0%) | 0 (0.0%) | – | 1 (1.3%) | 1 (0.5%) | 0.300 | >0.999 | 0.253 |
| Descemet detachment | 1 (2.1%) | 8 (4.3%) | 0.732 | 1 (1.3%) | 10 (5.8%) | 0.122 | 0.730 | 0.123 |
| Conversion to ECCE | 0 (0.0%) | 1 (0.5%) | >0.999 | 1 (1.3%) | 1 (0.5%) | >0.999 | 0.902 | >0.999 |
| Conversion to ICCE | 0 (0.0%) | 0 (0.0%) | – | 0 (0.0%) | 0 (0.0%) | – | – | – |
| IOL drop | 0 (0.0%) | 0 (0.0%) | – | 0 (0.0%) | 0 (0.0%) | – | – | – |
Notes: P1, P value of the comparison between study and control groups; P2, P value of the comparison between third and fourthyear residents; *Fisher exact test; Bold figures show statistical significance (P<0.05).
Abbreviations: CCC, continuous curvilinear capsulorhexis; ECCE, extracapsular cataract extraction; ICCE, intracapsular cataract extraction; IOL, intraocular lens.