Calcium channel blockers (versus unexposed)

Neural Tube Defects

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.
S13996
R54975
Sorensen - Calcium blockers, 2001 Neural-tube defects 1st trimester case control unexposed (general population or NOS) Adjustment: Yes Indications Antihypertensive: All hypertensions, any indications or not specified 2.10 [0.60;6.60] 3/52   1,188/39,290 1,191 52
ref
Total 1 studies 2.10 [0.63;6.96] 1,191 52
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 Sorensen - Calcium blockers, 2001Sorensen - Calcium blockers, 2001 2.10[0.60; 6.60]1,191520%ROB confusion: criticalROB selection: criticalROB classification: moderateROB missing: lowROB mesure: unclearROB reporting: moderate0.95.01.0ROB: 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 0 case control studiescase control studies 2.10[0.63; 6.96]1,19152 -NASorensen - Calcium blockers, 2001 1 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 2.10[0.63; 6.96]1,19152 -NASorensen - Calcium blockers, 2001 1 Tags Adjustment   - Yes  - Yes 2.10[0.63; 6.96]1,19152 -NASorensen - Calcium blockers, 2001 1 Indications Antihypertensive   - All hypertensions, any indications ...  - All hypertensions, any indications or not specified 2.10[0.63; 6.96]1,19152 -NASorensen - Calcium blockers, 2001 1 All studiesAll studies 2.10[0.63; 6.96]1,19152 -NASorensen - Calcium blockers, 2001 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

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 2.10[0.63; 6.96]1,19152 -NASorensen - Calcium blockers, 2001 10.510.01.0