Establishment of reference ranges for normal values of serum vitamin K (K1+K2) in healthy children in Chongqing and correlation study

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100042285

Enrollment

Unknown

Registered

2021-01-17

Start date

2021-06-01

Completion date

Unknown

Last updated

2021-04-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Abnormal bone metabolism

Interventions

case series:Nil

Eligibility

Sex/Gender

All

Age

1 Years to 14 Years

Inclusion criteria

Inclusion criteria: Children aged 3 months to 14 years were selected from the resident population of Chongqing for health screening.

Exclusion criteria

Exclusion criteria: (1) Children with recent intestinal disease, infectious disease, metabolic disease and abnormal liver and kidney function. (2) Parents or children who do not consent to the participant.

Design outcomes

Primary

Measure	Time frame
Vitamin K;	—

Countries

China

Contacts

Public ContactLiu Xing

Children's Hospital of Chongqing Medical University

liuxingda@126.com+86 13637808322

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026