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. 2018 Apr 26;103(2):222–226. doi: 10.1136/bjophthalmol-2018-311887

Table 2.

Changes between baseline and month 24 in ETDRS level, by phenotype

Phenotype DR worsening No change DR improving
≥3 steps 2  steps 1  step 1 step 2 steps ≥3steps
A, n (%) 0 (0.0) 4 (4.6) 13 (14.9) 40 (46.0) 13 (14.9) 1 (1.2) 16 (18.4)
B, n (%) 1 (2.2) 0 (0.0) 3 (6.7) 30 (66.7) 7 (15.6) 0 (0.0) 4 (8.9)
C, n (%) 2 (11.8) 4 (23.5) 1 (5.9) 8 (47.1) 1 (5.9) 0 (0.0) 1 (5.9)
Total 3 (2.0) 8 (5.4) 17 (11.4) 78 (52.4) 21 (14.1) 1 (0.7) 21 (14.1)

DR, diabetic retinopathy; ETDRS, Early Treatment Diabetic Retinopathy Study.