Research Article
Retinopathy of Prematurity in Port Harcourt, Nigeria
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%) |
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