Comparison of Mean Platelet Counts in Preterm Infants with and without Retinopathy of Prematurity

Zi Di Lim, Edwin Pheng, Evelyn Tai Li Min, Hans Van Rostenberghe and Ismail Shatriah
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Zi Di Lim: Department of Ophthalmology and Visual Science, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
Edwin Pheng: Department of Ophthalmology and Visual Science, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
Evelyn Tai Li Min: Department of Ophthalmology and Visual Science, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
Hans Van Rostenberghe: Hospital Universiti Sains Malaysia, Jalan Raja Perempuan Zainab 2, Kota Bharu Kelantan 16150, Malaysia
Ismail Shatriah: Department of Ophthalmology and Visual Science, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia

IJERPH, 2021, vol. 18, issue 7, 1-9

Abstract: Platelets are a primary source of pro- and anti-angiogenic cytokines. However, the evidence of their role in retinopathy of prematurity (ROP) is controversial. This retrospective study aimed to compare mean weekly platelet counts between infants with and without ROP over the first 6 weeks of life. A total of 93 infants matched by gestational age and birth weight were recruited (31 with ROP, 62 without ROP). Weekly mean platelet counts and other related risk factors were documented. The repeated measure analysis of variance (ANOVA) and the repeated measure analysis of covariance (ANCOVA) were used to compare mean platelet counts over time between the two groups, with and without adjusting for confounders. We found significant differences in the weekly mean platelet counts of infants with and without ROP over the first 6 weeks of life ( p = 0.002). These differences disappeared after adjusting for covariates ( p = 0.489). Lower mean platelet counts in ROP infants are not directly related to ROP, but rather to the presence of other risk factors for ROP, such as culture-proven sepsis, blood transfusion and bronchopulmonary dysplasia.

Keywords: retinopathy of prematurity; platelet count; infant; premature (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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