Calcium channel blockers (versus unexposed)

Atresia or stenosis of other parts of small intestine

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.
S13787
R54031
Fisher a - Calcium blockers, 2018 Small intestinal atresia/stenosis 1st trimester case control unexposed, disease free Adjustment: Yes Indications Antihypertensive: All hypertensions, any indications or not specified 11.20 [3.70;34.20] 7/21   420/10,977 427 21
ref
S13996
R54985
Sorensen - Calcium blockers, 2001 Intestinal atresia/stenosis 1st trimester case control unexposed (general population or NOS) Adjustment: No Indications Antihypertensive: All hypertensions, any indications or not specified 2.56 [0.16;41.65] C 0/49   151/38,253 151 49
ref
Total 2 studies 9.15 [3.26;25.70] 578 70
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 Fisher a - Calcium blockers, 2018Fisher a - Calcium blockers, 2018 11.20[3.70; 34.20]4272186%ROB confusion: criticalROB selection: criticalROB classification: criticalROB missing: lowROB mesure: unclearROB reporting: moderate Sorensen - Calcium blockers, 2001Sorensen - Calcium blockers, 2001 2.56[0.16; 41.65]1514914%ROB confusion: criticalROB selection: criticalROB classification: moderateROB missing: lowROB mesure: unclearROB reporting: moderate Total (2 studies) I2 = 0% 9.15[3.26; 25.70]578700.950.01.0ROB: 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 9.15[3.26; 25.70]578700%NAFisher a - Calcium blockers, 2018 Sorensen - Calcium blockers, 2001 2 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 9.15[3.26; 25.70]578700%NAFisher a - Calcium blockers, 2018 Sorensen - Calcium blockers, 2001 2 Tags Adjustment   - No  - No 2.56[0.16; 41.65]15149 -NASorensen - Calcium blockers, 2001 1   - Yes  - Yes 11.20[3.68; 34.05]42721 -NAFisher a - Calcium blockers, 2018 1 Indications Antihypertensive   - All hypertensions, any indications ...  - All hypertensions, any indications or not specified 9.15[3.26; 25.70]578700%NAFisher a - Calcium blockers, 2018 Sorensen - Calcium blockers, 2001 2 All studiesAll studies 9.15[3.26; 25.70]578700%NAFisher a - Calcium blockers, 2018 Sorensen - Calcium blockers, 2001 20.550.01.0

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) 9.15[3.26; 25.70]578700%NAFisher a - Calcium blockers, 2018 Sorensen - Calcium blockers, 2001 20.510.01.0