Clonazepam (Psy and Mixed indications) updated on 02-10-2025

Early intrauterine deaths (< 22 weeks) / Spontaneous abortions

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.
S15416
R63487
Sheehy (Indications NOS), 2019 Spontaneous abortion (6th to 19th completed week of gestation) - ICD-9 diagnosis code 634 or ICD-10 diagnosis code O03 early pregnancy nested case control unexposed (general population or NOS) Adjustment: Yes BZD Coexposure: Not specified Matched 1.77 [1.31;2.41] 82/220   27,067/161,234 27,149 220
ref
S15669
R64694
Bech (Indications other than epilepsy), 2014 Spontaneous abortions (ICD codes O02.0-O03.9) 1st and 2nd trimester population based cohort retrospective unexposed (general population or NOS) Adjustment: Yes BZD Coexposure: Not specified 1.91 [1.54;2.37] 60/219   108,273/812,862 108,333 219
ref
Total 2 studies 1.86 [1.56;2.22] 135,482 439
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 Sheehy (Indications NOS), 2019Sheehy, 2019 1 1.77[1.31; 2.41]27,14922033%ROB confusion: seriousROB selection: lowROB classification: moderateROB missing: unclearROB mesure: moderateROB reporting: critical Bech (Indications other than epilepsy), 2014Bech, 2014 2 1.91[1.54; 2.37]108,33321967%ROB confusion: criticalROB selection: lowROB classification: moderateROB missing: lowROB mesure: moderateROB reporting: moderate Total (2 studies) I2 = 0% 1.86[1.56; 2.22]135,4824390.55.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Indications NOS; 2: Indications other than epilepsy;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 1.91[1.54; 2.37]108,333219 -NABech (Indications other than epilepsy), 2014 1 case control studiescase control studies 1.77[1.30; 2.40]27,149220 -NASheehy (Indications NOS), 2019 1 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 1.86[1.56; 2.22]135,4824390%NASheehy (Indications NOS), 2019 Bech (Indications other than epilepsy), 2014 2 Tags Adjustment   - Yes  - Yes 1.86[1.56; 2.22]135,4824390%NASheehy (Indications NOS), 2019 Bech (Indications other than epilepsy), 2014 2 BZD Coexposure   - Not specified  - Not specified 1.86[1.56; 2.22]135,4824390%NASheehy (Indications NOS), 2019 Bech (Indications other than epilepsy), 2014 2 MatchedMatched 1.77[1.30; 2.40]27,149220 -NASheehy (Indications NOS), 2019 1 All studiesAll studies 1.86[1.56; 2.22]135,4824390%NASheehy (Indications NOS), 2019 Bech (Indications other than epilepsy), 2014 20.55.01.0

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

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 1.86[1.56; 2.22]135,4824390%NASheehy (Indications NOS), 2019 Bech (Indications other than epilepsy), 2014 20.510.01.0