Tramadol (versus unexposed) updated on 07-09-2025

Ear, face and neck anomalies

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.
S18427
R78021		 Ferrer, 2025 Ear, face and neck anomalies at least 1st trimester retrospective cohort (claims database) unexposed (general population or NOS) Adjustment: No 3.19 [0.44;23.13] C 1/999   48/152,811 49 999
ref
Total 1 studies 3.19 [0.44;23.13] 49 999
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 Ferrer, 2025Ferrer, 2025 3.19[0.44; 23.13]499990%ROB confusion: criticalROB selection: lowROB classification: criticalROB missing: unclearROB mesure: moderateROB reporting: moderate0.910.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 3.19[0.44; 23.13]49999 -NAFerrer, 2025 1 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 3.19[0.44; 23.13]49999 -NAFerrer, 2025 1 Tags Adjustment   - No  - No 3.19[0.44; 23.13]49999 -NAFerrer, 2025 1 All studiesAll studies 3.19[0.44; 23.13]49999 -NAFerrer, 2025 10.510.01.0

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

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 3.19[0.44; 23.13]49999 -NAFerrer, 2025 10.510.01.0