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. 2022 Aug 12;59(11):1493–1503. doi: 10.1007/s00592-022-01946-4

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Fig. 3 — Forest plot illustrating the findings of Table 3; the risk of progression to severe non-proliferative diabetic retinopathy (DR) or proliferative DR (PDR) according to number of delayed periods and at any given screening Data are given in hazard ratios (HRs) with confidence intervals (CI)