TABLE 1.
Characteristics of the Hypothetical Cohort of 650 Infants According to GA
| Characteristic | GA, wk | |||
|---|---|---|---|---|
| 22–25 | 26–27 | 28–29 | 30 | |
| Distribution | 24.1% | 20.6% | 31.7% | 23.6% |
| Discharge, average PMA, wk | 39.5 | 37.5 | 36.5 | 35.5 |
| Type 1 ROP | ||||
| Proportion | 25.3% | 4.3% | 1.1% | <0.01% |
| Average PMA, wk | 36.5 | 36.3 | 35.8 | NAa |
Analysis included the distribution, average PMA at discharge, the proportion developing type 1 ROP by discharge, and the average PMA at which type 1 ROP developed among those who did so by discharge. NA, not applicable.
a
Too few cases to reliably estimate.