British Journal of Ophthalmology 2007;91:1593-1595
SCIENTIFIC REPORT
The North Jutland County Diabetic Retinopathy Study (NCDRS) 2. Non-ophthalmic parameters and clinically significant macular oedema
1 Department of Ophthalmology, Aarhus University Hospital, Aalborg Sygehus Syd, Aalborg, Denmark
2 Department of Medical Endocrinology, Aarhus University Hospital, Aalborg Sygehus Syd, Aalborg, Denmark
3 Department of Mathematical Sciences, Aalborg University, Aalborg Øst, Denmark
Correspondence to:
L L Knudsen, Department of Ophthalmology, Aarhus University Hospital, Aalborg Sygehus Syd, Hobrovej 18–22, DK-9100 Aalborg, Denmark; u19204{at}aas.nja.dk
Background: The influence of non-ophthalmic parameters on the prevalence of clinically significant macular oedema has not been unambiguously established. The present study was initiated with the aim of clarification.
Methods: This cross-sectional study comprised 656 type 1 and 328 type 2 diabetic subjects undergoing retinopathy screening in the county of North Jutland. The association between the presence of clinically significant macular oedema and blood pressure, HbA1c, BMI, age, onset of diabetes, duration of diabetes, blood-pressure-reducing medication, lipid-lowering medication, neuropathy and urinary albumin excretion was explored using multiple logistic regression analysis.
Results: We found no significant association between the presence of clinically significant macular oedema and any of the examined parameters in type 1 diabetic subjects. In type 2 diabetic subjects, the duration of diabetes, HbA1c, neuropathy and increased urinary albumin excretion was significantly associated with the presence of clinically significant macular oedema.
Conclusions: The risk factors for clinically significant macular oedema differ in type 1 and type 2 diabetic subjects and can account only in part for this manifestation.
Abbreviations: CSMO, clinically significant macular oedema
Competing interests: None declared.
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