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. Author manuscript; available in PMC: 2023 Jan 1.
Published in final edited form as: Am J Ophthalmol. 2021 Jul 21;233:189–215. doi: 10.1016/j.ajo.2021.07.016

Table 11.

Screening Interval Timing for Inborn ROP Infants

Number of Patients Time Between Screenings (Days)
All Patients 2,053 14.3
Birthweight Groups
 < 750g 915 12.8 p < 0.001*
 ≥ 750g 1,050 15.1
Gestational Age
Groups
 < 27w 1,216 13.0 p < 0.001*
 ≥ 27w 746 15.8
*

T-test analysis between groups

Abbreviations: g - grams, ROP - retinopathy of prematurity, w - weeks