Multicenter Prospective Study Collaboration Recruitment: External Validation of IDA Risk Prediction Model after MBS

Deadline: 23:59, 5th June, 2026 (Friday) China Time

This is an International Obesity Society (IOS) endorsed research project recruiting collaboration centers for external validation of a risk prediction model for Iron Deficiency Anemia (IDA) after Metabolic and Bariatric Surgery (MBS).

Background:

- The incidence of IDA after MBS is relatively high

- A high-performance nomogram-based prediction model has been developed

- Multicenter external validation is urgently needed

Study Design:

- Multicenter, prospective study

- Participants: Patients undergoing MBS

- Outcome: Occurrence of IDA within 1 year after MBSCollaboration

Collaboration Requirements:

- Centers performing MBS

- Capability for 1-year postoperative follow-up

- Willingness to assist with data collection using an established clinical scoring system

Benefits of Collaboration:

- Authorship on publications

- Shared research outcomes

*1. Your name (principal investigator in your center for this project)

First name + Last name

*2. Email

*3. Mobile phone number

country code + mobile phone number

*4. Name of hospital

*5. City

*6. Country / Region

*7. Annual volume of MBS

Number of cases a year

Please enter an number greater than or equal to 1.

*8. Does your center have the capability for 1-year postoperative follow-up for MBS patients?

Yes