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CLINICAL TRIAL REPORT

Vitamin D Status of Preterm Newborns at Approximately 4 Weeks of Age in Shenzhen, China: A Retrospective Observational Cohort Study Conducted Across Two Centers

ORCID Icon, , , , &
Pages 59-66 | Received 17 Nov 2023, Accepted 27 Feb 2024, Published online: 05 Mar 2024

Figures & data

Figure 1 Flow chart for the population under study.

Figure 1 Flow chart for the population under study.

Table 1 Traits of Premature Babies and Levels of Vitamin D at Approximately 4 Weeks of Life

Figure 2 The scatter plot displays the distribution of serum 25-OH-D levels in 230 newborns at approximately 4 weeks of age based on gestational age. The 25-OH-D level is shown as a solid line at 20 ng/mL. Coefficient of correlation: Rs=–0.1; p>0.05.

Figure 2 The scatter plot displays the distribution of serum 25-OH-D levels in 230 newborns at approximately 4 weeks of age based on gestational age. The 25-OH-D level is shown as a solid line at 20 ng/mL. Coefficient of correlation: Rs=–0.1; p>0.05.

Table 2 Risk Variables and VD Levels at ±4 Weeks of Age Analyzed Using Univariate Binary Regression

Table 3 Multivariate Binary Regression Analysis of Risk Variables and VD Levels After Controlling for Oral VD Intake Dose at ±4 Weeks of Age

Table 4 Results of Multivariate Binary Regression Analysis Performed to Determine Primary Complications and VD Levels After Adjusting for GA and Oral Dosage of VD at ±4 Weeks of Age