Semaglutide

All congenital malformations (majors, minors, majors and minors, or unspecified)

R analysis
id Study   Lib. in paper Exposition period    Study type  Control type 
 
Tags OR 95%CI x1/n1 x0/n0 no cases no exposed ROB Ref.
S18830
R80210
Kolding (Controls exposed to insulin), 2025 Major malformations 1st trimester retrospective cohort exposed to other treatment, sick excluded Adjustment: No GLP1-RA indication: Mixed (Diabetes and/or Overweight) or Unspecified 0.64 [0.12;2.15]
excluded (control group)
3/32   76/547 79 32
ref
S18831
R80211
Kolding (Controls unexposed, general pop), 2025 Major malformations 1st trimester retrospective cohort unexposed (general population or NOS) Adjustment: No GLP1-RA indication: Mixed (Diabetes and/or Overweight) or Unspecified 1.24 [0.24;4.01] 3/32   7,985/103,843 7,988 32
ref
Total 1 studies 1.24 [0.30;5.07] 7,988 32
x1: number of endpoints among exposed, n1: number of exposed; x0: number of endpoints among non exposed, n0: number of non exposed; C: calculated odds ratio from numbers of events and effectives

Forest plot

StudyTE95% CIn casesn exposedweightROBABCDEF Kolding (Controls unexposed, general pop), 2025Kolding, 2025 1 1.24[0.24; 4.01]7,988320%ROB confusion: criticalROB selection: lowROB classification: criticalROB missing: unclearROB mesure: moderateROB reporting: moderate0.55.01.0ROB: A: confounding, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Controls unexposed, general pop;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 1.24[0.30; 5.07]7,98832 -NAKolding (Controls unexposed, general pop), 2025 1 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 1.24[0.30; 5.07]7,98832 -NAKolding (Controls unexposed, general pop), 2025 1 Tags Adjustment   - No  - No 1.24[0.30; 5.07]7,98832 -NAKolding (Controls unexposed, general pop), 2025 1 GLP1-RA indication   - Mixed (Diabetes and/or Overweight) ...  - Mixed (Diabetes and/or Overweight) or Unspecified 1.24[0.30; 5.07]7,98832 -NAKolding (Controls unexposed, general pop), 2025 1 All studiesAll studies 1.24[0.30; 5.07]7,98832 -NAKolding (Controls unexposed, general pop), 2025 10.55.01.0

Publication bias and p-hacking diagnosis

funnel plot

Funnel plot not drawn. Less than 3 points.

Asymetry test p-value = NaN (by Egger's regression)

not enought points

p values plot

Funnel plot not drawn. Less than 3 points.

Sub-groups analysis using all included studies

excluded 18830

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 1.24[0.30; 5.07]7,98832 -NAKolding (Controls unexposed, general pop), 2025 1 exposed to other treatment, sick controlsexposed to other treatment, sick controls 0.64[0.15; 2.71]7932 -NAKolding (Controls exposed to insulin), 2025 10.510.01.0