Purpose: We aimed to evaluate 458 infants, who were followed up due to retinopathy\nof prematurity (ROP), demographically and epidemiologically.\nMethods: 458 infants with ROP, who were referred from our hospitalâ??s neonatal\nintensive care unit and from other health centers to our clinic for the\nstaging and treatment between February 2016 and December 2017, were studied\nretrospectively. Design: Retrospective-observational study. Results: Of\nthe 458 infants, 243 infants (53.06%) did not have ROP and they were at a\nmean of 32nd (26 - 35) gestational week, weighing a mean of 1700 (820 -\n2830) gr. The remaining 215 (46.94%) infants were diagnosed with ROP at\nvarious stages and they were at a mean of 29th (23 - 35) gestational week,\nweighing a mean of 1180 (490 - 2850) gr. Of the infants without ROP, 116\n(47.7%) were females and 127 (52.3%) were males. The mean duration of stay\nat the incubator was a mean of 16.5 (0 - 120) days and the mean duration of\nfollow-up was a mean of 43 (40 - 56) weeks. 103 (40.2%) of them were\nbreastfed only. Of the infants with ROP at various stages, 95 (44.2%) were\nfemales, and 120 (55.8%) were males. The mean duration of stay at the incubator\nwas 42 (6 - 195) days, and the mean duration of follow-up was 48 (40 -\n73) weeks. 43 (20.0%) of them were breastfed only. 32 (13.2%) infants without\nROP were born of multi-fetal pregnancies. Only 1 of them was born as one of\nthe triplets. Of the babies with ROP; 56 (26.04%) were born of multi-fetal\npregnancies, 5 of them being triplets. The numerical values of the gestational\nweek at birth and the birth weight, and the rates of breastfeeding were lower\nin infants with ROP compared to the ones without it (p < 0.001). However,\ntheir follow-up durations were longer (p < 0.001). There was observed a male\npredominance and multi-fetal pregnancies in the infants with ROP (respectively,\np > 0.05, <0.001). Conclusions: This study showed that the gestational age, birth weight, breastfeeding rates, birth history and follow-up periods of\nmultiple fetal pregnancies were different in ROP infants compared to\nnon-ROP infants.
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