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. 2014 Feb 4;2014:481527. doi: 10.1155/2014/481527

Table 4.

Stages of ROP in 25 preterm babies.

Zones Stage 1 Stage 2 Stage 3 Total
Zone I 0 (0%) 0 (0%) 1 (4%) 1 (4%)
Zone II 3 (12%) 2 (8%) 0 (%) 5 (20%)
Zone III 18 (72%) 1 (4%) 0 (0%) 19(76%)

Total 21 (84%) 3 (12%) 1(4% ) 25 (100%)