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. 2022 Oct 26;22:260. doi: 10.1186/s12902-022-01171-8

Table 3.

Trends in BMI over time, according to type of surgery

Preoperative* Postoperative 1 year* Postoperative 3 year*
OAGB 44.6 ± 7.0 30.0 ± 5.0 30.6 ± 4.6
RYGB 43.7 ± 6.7 30.2 ± 5.1 31.3 ± 4.9
SG 43.8 ± 6.9 31.9 ± 6.8 30.8 ± 4.7

At 1 year and 3 years follow-up, for all surgeries, postoperative BMI versus preoperative are different at the level of p < 0.05

*mean ± SD