Benzodiazepines (Psy and mixed indications) updated on 02-10-2025

Elective/induced termination of pregnancy

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.
S18301
R77074
Ban (Controls unexposed, disease free), 2012 Termination of pregnancy during pregnancy (anytime or not specified) population based cohort retrospective unexposed, disease free excluded Adjustment: Yes BZD Coexposure: No (among psychiatric (ATD and/or psychotropics) medications) 2.20 [1.90;2.60]
excluded (control group)
654/3,392   -/- - 3,392
ref
S18302
R77077
Ban (Controls unexposed, sick), 2012 Termination of pregnancy during pregnancy (anytime or not specified) population based cohort retrospective unexposed, sick Adjustment: Yes BZD Coexposure: No (among psychiatric (ATD and/or psychotropics) medications) 1.90 [1.60;2.30] 654/3,392   -/- - 3,392
ref
S15322
R63048
Ornoy - BZDs, 1998 Induced abortions at least 1st trimester prospective cohort unexposed, disease free Adjustment: No BZD Coexposure: Yes (with psychiatric (ATD and/or psychotropics) medications) 3.50 [2.10;5.90] 65/460   20/424 85 460
ref
Total 2 studies 2.45 [1.36;4.43] 85 3,852
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 Ban (Controls unexposed, sick), 2012Ban, 2012 1 1.90[1.60; 2.30]-3,39258%ROB confusion: seriousROB selection: criticalROB classification: moderateROB missing: lowROB mesure: moderateROB reporting: moderate Ornoy - BZDs, 1998Ornoy - BZDs, 1998 3.50[2.10; 5.90]8546042%ROB confusion: criticalROB selection: moderateROB classification: moderateROB missing: criticalROB mesure: criticalROB reporting: moderate Total (2 studies) I2 = 79% 2.45[1.36; 4.43]853,8520.510.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Controls unexposed, sick;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 2.45[1.36; 4.43]853,85279%NABan (Controls unexposed, sick), 2012 Ornoy - BZDs, 1998 2 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 3.50[2.09; 5.87]85460 -NAOrnoy - BZDs, 1998 1 unexposed, sickunexposed, sick 1.90[1.58; 2.28]-3,392 -NABan (Controls unexposed, sick), 2012 1 Tags Adjustment   - No  - No 3.50[2.09; 5.87]85460 -NAOrnoy - BZDs, 1998 1   - Yes  - Yes 1.90[1.58; 2.28]-3,392 -NABan (Controls unexposed, sick), 2012 1 BZD Coexposure   - No (among psychiatric (ATD and/or p ...  - No (among psychiatric (ATD and/or psychotropics) medications) 1.90[1.58; 2.28]-3,392 -NABan (Controls unexposed, sick), 2012 1   - Yes (with psychiatric (ATD and/or p ...  - Yes (with psychiatric (ATD and/or psychotropics) medications) 3.50[2.09; 5.87]85460 -NAOrnoy - BZDs, 1998 1 All studiesAll studies 2.45[1.36; 4.43]853,85279%NABan (Controls unexposed, sick), 2012 Ornoy - BZDs, 1998 20.510.01.0

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 18301

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 2.59[1.68; 4.01]7303,85265%NABan (Controls unexposed, disease free), 2012 Ornoy - BZDs, 1998 2 unexposed, sick controlsunexposed, sick controls 1.90[1.58; 2.28]6453,392 -NABan (Controls unexposed, sick), 2012 10.510.01.0

Umbrella review (other published meta-analyses)

Published MAControlPeriodTE95% CIn exposedkI2 Grigoriadis - BZDs (Induced abortion)Grigoriadis - BZDs (Induced abortion) 2.04[1.23; 3.40]73%-Wwhatever (meta-analysis)Anyduring pregnancy (anytime or not specified)studies TTT3 metaPregmetaPreg 2.45[1.36; 4.43]79%3,852----Ban (Controls unexposed, sick), 2012 Ornoy - BZDs, 1998 20.510.01.0