Characteristics of all included studies Study Patients Patients Outcomes Assessed Surgery Type BMI Data Type with without Matching Surgery (n) Surgery (n) Richards (1987) 57 57 GDM, neonatal death, pre-term Malabsorptive Pre-surgery Clinical delivery, gestational HTN, LGA, (100% BMI SGA, c-section malabsorptive) 40
Characteristics of all included studies Study Patients with Surgery (n) Patients without Surgery (n) Outcomes Assessed Surgery Type BMI Matching Data Type Richards (1987) 40 57 57 GDM, neonatal death, pre-term delivery, gestational HTN, LGA, SGA, c-section Malabsorptive (100% malabsorptive) Pre-surgery BMI Clinical
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