Table 3 The mean (SD) number of eye examinations per reader assessed for each ROP zone by reader group (N=42)

From: An international comparison of retinopathy of prematurity grading performance within the Benefits of Oxygen Saturation Targeting II trials

Reader group

Zone I

Zone II

Zone III

Unclassified

UK

5.9 (3.8)

28.7 (4.7)

7.0 (4.4)

1.3 (1.7)

ANZ

4.0 (3.5)

31.0 (4.5)

4.7 (3.7)

1.7 (1.7)

INT

6.0 (4.7)

26.0 (7.9)

6.4 (5.2)

2.5 (1.9)

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