Sumatriptan

Very low birth weight (< 1500g)

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.
S3542
R7018
Kallen, 2001 Very low birth weight (< 1500 g, singletons) early pregnancy population based cohort retrospective unexposed (general population or NOS) Adjustment: No 0.73 [0.10;5.47] 3/658   -/- - 658
ref
Total 1 studies 0.73 [0.10;5.40] 0 658
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 Kallen, 2001Kallen, 2001 0.73[0.10; 5.47]-6580%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA0.22.01.0ROB: 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 0.73[0.10; 5.40]-658 -NAKallen, 2001 1 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 0.73[0.10; 5.40]-658 -NAKallen, 2001 1 Tags Adjustment   - No  - No 0.73[0.10; 5.40]-658 -NAKallen, 2001 1 All studiesAll studies 0.73[0.10; 5.40]-658 -NAKallen, 2001 10.210.01.0

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) 0.73[0.10; 5.40]-658 -NAKallen, 2001 10.510.01.0