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Published on: October 14, 2015
Ovarian Cancer and the Risk of Cataract Episodes: A Nationwide Cohort Study
Chia-Yi Lee1,2,3, Shun-Fa Yang1,4, Elsa Lin-Chin Mai2,5,6
1Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, R.O.C.
Background/Aim:
The aim of this study was to explore the potential association between ovarian cancer and cataracts using the Longitudinal Health Insurance Research Database (LHIRD) of Taiwan.
Patients And Methods:
A retrospective cohort study was conducted, and patients with ovarian cancer were age-matched with non-ovarian cancer patients in a 1:4 ratio. A total of 4,980 and 19,920 participants were classified into the ovarian cancer and non-ovarian cancer groups, respectively. The primary outcome was the presence of cataracts and cataract surgery. Cox proportional hazard regression was used to calculate the adjusted hazard ratio (aHR) and the 95% confidence intervals (CIs) of the primary outcomes between the groups.
Results:
A total of 484 and cataract events were recorded in the ovarian cancer group, while 2,383 cataract events were recorded in the non-ovarian cancer group. The ovarian cancer group had a non-significantly higher incidence of cataracts compared to the non-ovarian cancer group (aHR=1.07, 95%CI=0.97-1.19, p=0.074), and the incidences of individuals with advanced cataracts receiving surgery were statistically equal between the ovarian cancer group and the non-ovarian cancer group (aHR=0.93, 95%CI=0.79-1.10, p=0.397). In subgroup analyses, differences in cataract incidences were not significant between ovarian cancer and non-ovarian cancer subgroups with different ages or durations of ovarian cancer (all p>0.05).
Conclusion:
Ovarian cancer is associated with a marginally higher incidence of cataracts and cataract surgery.
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