Research Article
Retrospective Analyses of Potential Risk Factors for Posterior Capsule Opacification after Cataract Surgery
Table 3
Univariate analyses of factors associated with PCO.
| Variable | PCO () | Non-PCO () | χ2 | value |
| Sex | Male | 46 | 276 | | | Female | 62 | 68 | 2.39 | 0.122 |
| Age at the time of surgery | >60 years old | 32 | 401 | | | <60 years old | 76 | 143 | 78.504 | <0.001 |
| Cataract duration | >3 years | 79 | 390 | | | <3 years | 29 | 154 | 0.064 | 0.8 |
| History of smoking | Yes | 30 | 161 | | | No | 78 | 383 | 0.144 | 0.705 |
| History of drinking | Yes | 26 | 134 | | | No | 82 | 410 | 0.015 | 0.902 |
| History of hypertension | Yes | 52 | 287 | | | No | 56 | 257 | 0.767 | 0.381 |
| History of diabetes | Yes | 27 | 88 | | | No | 81 | 456 | 4.829 | 0.028 |
| History of immune diseases | Yes | 16 | 46 | | | No | 92 | 498 | 4.234 | 0.04 |
| High myopia | Yes | 13 | 31 | | | No | 95 | 513 | 5.753 | 0.016 |
| Family history of cataract | Yes | 33 | 175 | | | No | 75 | 369 | 0.108 | 0.742 |
| Lens nucleus hardness | I grade | 7 | 70 | | | II grade | 22 | 145 | | | III grade | 38 | 183 | | | IV grade | 33 | 130 | | | V grade | 8 | 16 | 11.046 | 0.026 |
| Surgery type | ECCE | 18 | 37 | | | Phaco | 90 | 507 | 11.354 | 0.001 |
| History of vitrectomy | Yes | 23 | 74 | | | No | 85 | 470 | 4.212 | 0.04 |
| Ocular inflammation (aqueous cell) | >15 cells | 38 | 126 | | | <15 cells | 70 | 418 | 6.01 | 0.009 |
| IOL materials | Hydrophilic | 67 | 253 | | | Hydrophobic | 41 | 291 | 8.696 | 0.003 |
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