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Table 1 Timetable of activities strictly related to participants planned throughout the study

From: MOnitored supplementation of VItamin D in preterm infants (MOSVID trial): study protocol for a randomised controlled trial

Activity/assessment 0–7 DOL 4 WKA 8 WKAa 35 ± 2 weeks of PCA 40 ± 2 weeks of PCA 52 ± 2 weeks of PCA
Randomisation +      
Blood sampling for 25(OH)D + + + + + +
Vit D dose adjustment   + + + + +
Sample collection for Ca2+/P metabolism     + + +
US kidney examination     +   +
Bone mass measurement     + +  
  1. Abbreviations: DOL Day of life, Ca/P Calcium/phosphate ratio, 25(OH)D 25-Hydroxyvitamin D, PCA Post-conceptional age, US Ultrasound, Vit D Vitamin D, WKA Weeks of age
  2. aOnly infants born at < 26 weeks of gestational age