Only the time interval (in weeks) between the last visit before the lockdown and the first visit after the lockdown was found to be associated with BCVA change, with a longer interval to be associated with worse visual acuity (β coefficient=0.451, p=0.017) while there was a trend for the DR stage, which did not reach statistical significance (p=0.052).
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Effect of COVID-19-Associated Lockdown on Patients With Diabetic Retinopathy.
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0.0520