Vedolizumab

Preterm (< 37 weeks)

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.
S4950
R12979		 Moens (Controls exposed to TNFi), 2020 Premature born children (before 37 weeks of gestation) at least 1st trimester retrospective cohort exposed to other treatment, sick excluded Adjustment: No 1.96 [0.82;4.67] C
excluded (control group) 		10/64   14/162 24 64
ref
S4946
R12972		 Moens (Controls unexposed, sick), 2020 Premature born children (before 37 weeks of gestation) at least 1st trimester retrospective cohort unexposed, sick Adjustment: No 2.33 [0.95;5.70] C 10/64   12/163 22 64
ref
Total 1 studies 2.33 [0.95;5.70] 22 64
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 Moens (Controls unexposed, sick), 2020Moens, 2020 1 2.33[0.95; 5.70]22640%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA0.95.01.0ROB: 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 2.33[0.95; 5.70]2264 -NAMoens (Controls unexposed, sick), 2020 1 case control studiescase control studies 0 Type of controls unexposed, sickunexposed, sick 2.33[0.95; 5.70]2264 -NAMoens (Controls unexposed, sick), 2020 1 Tags Adjustment   - No  - No 2.33[0.95; 5.70]2264 -NAMoens (Controls unexposed, sick), 2020 1 All studiesAll studies 2.33[0.95; 5.70]2264 -NAMoens (Controls unexposed, sick), 2020 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 4950

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed, sick controlsunexposed, sick controls 2.33[0.95; 5.70]2264 -NAMoens (Controls unexposed, sick), 2020 1 exposed to other treatment, sick controlsexposed to other treatment, sick controls 1.96[0.82; 4.67]2464 -NAMoens (Controls exposed to TNFi), 2020 10.510.01.0