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. 2025;37(4):341–349. doi: 10.5455/msm.2025.37.341-349

Table (3): Participants’ knowledge about some general concepts related to sleeve gastrectomy (n=809). *Results may overlap.

Parameter No. (%)
Have you heard about the body mass index (BMI)? No 162 20.0
Yes 595 73.5
I don't know 52 6.4
What is the BMI range that we can say this person is obese? 30 and above 398 49.2
25.0 – 29.9 172 21.3
18.5 –24.9 40 4.9
Under 18.5 5 .6
I don't know 194 24.0
Have you heard about sleeve gastrectomy surgery? No 9 1.1
Yes 800 98.9
If yes, what is your source of information? (n=800) * Social media 527 65.9
Internet 374 46.8
Books 138 17.3
Doctors or bariatric surgeons 312 39.0
A person you know underwent a sleeve gastrectomy. 440 55.0
Family, relatives or friends 423 52.9
Do you think sleeve gastrectomy is the first line to lose weight? No 755 93.3
Yes 54 6.7
If no, what is the best way to lose weight for an obese person? (n=755) *
(choose up to 3)
Exercise 640 84.8
Fasting 349 46.2
Low calories diet 631 83.6
I don't know 19 2.5
Do you know about the indications of sleeve gastrectomy surgery? No 262 32.4
Yes 547 67.6
What are the indications of sleeve gastrectomy surgery?
(choose up to 3) *
Adults with a BMI of more than 40kg/m2 446 55.1
Adults with a BMI of more than 35 kg/m2 and severe co-morbidities 421 52.0
Adults with a BMI>30 kg/m2, poorly controlled type 2 diabetes, and increased cardiovascular risk. 394 48.7
Adults with a BMI from 18.5-24.9 26 3.2
Adults with a BMI of 18.5 8 0.9
Adulta with a BMI of less than 18.5 8 0.9
For cosmetics 30 3.7
I don't know 176 21.8