The Study
Effectiveness of a Personalized Digital Exercise and Nutrition Rehabilitation Program in Postoperative Patients With Gastric Cancer: Randomized Controlled Trial
This study is like a fair test where one group got a fancy app to help them eat and move better after surgery, and another group got regular advice. After a year, both groups ended up feeling and doing about the same. So, the app didn’t make people healthier — even though they liked using it.
Analysis score
Maximum 90 for a randomized controlled trial.
Where the score came from
Doctors gave some patients a smart app and wristband to track exercise and food after surgery, while others got regular advice. Both groups did fine.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 579 / 100
Quality score
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Even though patients loved the app, it didn’t make them healthier or stronger — meaning just giving people tech tools isn’t enough if they’re already doing okay nutritionally.
- 2Both groups lost similar amounts of weight (around 5-10%) over 12 months.
- 3People using the app liked it and used it often, but it didn’t help them gain muscle, lose fat, or feel better than those who just got standard advice.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
JMIR mHealth and uHealth
Year
2025
Authors
I. Kim, J. Lim, Sun Woo Kim, Jun Ho Lee, T. Sohn, Sungsoo Park, Seokho Kang, Ji Youl Lee, Jihye Hwang
Related Content
Claims (6)
In adults recovering from stomach cancer surgery, a 12-month digital program that provides personalized exercise and nutrition guidance through a smartphone and wearable device does not lead to better outcomes in weight, body composition, fitness, nutrition, or quality of life compared to standard nutritional education.
Among patients recovering from gastric cancer surgery, high engagement with a digital rehabilitation program does not result in meaningful changes in weight, physical fitness, or nutritional status.
In adults recovering from stomach cancer surgery, standard nutritional education produces the same results in preventing weight loss and maintaining nutritional status as a personalized digital intervention.
Patients who start a digital rehabilitation program within one week after stomach surgery experience no adverse events during 12 months of follow-up, even if they are undergoing chemotherapy.
Patients with gastric cancer who have recovered from surgery and maintain a normal body weight do not gain additional benefit from digital health programs because their recovery has already reached its maximum potential.
Postoperative gastric cancer patients who follow a personalized digital exercise and nutrition program have better health outcomes than those who receive standard care.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.