Vitamin K2 deficiency and its association with short stature in children: A cross-sectional study.

Objectives: This study examines the relationship between vitamin K2 (VK2) status and the occurrence of short stature in children.

Methods: A cross-sectional analysis was conducted between January 2021 and August 2022, involving 235 children with a clinical diagnosis of short stature at the Second Affiliated Hospital of Wenzhou Medical University (short stature group) and 454 children with average height (±1 SD) from the same period (healthy group). Serum VK2 levels were compared between the two groups.