TNF-alpha inhibitors

Limb 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.
S4098
R8753
Carman - Etanercept (Controls unexposed, disease free), 2017 Musculoskeletal malformations during pregnancy (anytime or not specified) retrospective cohort (claims database) unexposed, disease free excluded Adjustment: No 0.60 [0.14;2.62] C
excluded (control group)
2/210   17/1,078 19 210
ref
S4099
R8768
Carman - Etanercept (Controls unexposed, sick), 2017 Musculoskeletal malformations during pregnancy (anytime or not specified) excluded retrospective cohort (claims database) unexposed, sick Adjustment: No 0.57 [0.14;2.40] C
excluded (exposition period)
2/210   32/1,932 34 210
ref
S3194
R5165
Bröms a (Controls unexposed, disease free), 2016 Limbs 3 months or more before pregnancy or1st trimester population based cohort retrospective unexposed, disease free excluded Adjustment: No 0.76 [0.31;1.83] C
excluded (control group)
5/683   12,039/1,250,192 12,044 683
ref
S3193
R5143
Bröms a (Controls unexposed, sick), 2016 Limbs 3 months or more before pregnancy or1st trimester excluded population based cohort retrospective unexposed, sick Adjustment: Yes 0.77 [0.27;1.69]
excluded (exposition period)
5/683   206/21,549 211 683
ref
S4074
R8639
Cooper, 2014 Musculoskeletal defects 1st trimester retrospective cohort (claims database) unexposed, sick Adjustment: No 3.07 [0.06;156.65] C 0/56   0/171 0 56
ref
Total 1 studies 3.07 [0.06;156.65] 0 56
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 Cooper, 2014Cooper, 2014 3.07[0.06; 156.65]0560%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA0.910.01.0ROB: 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 3.07[0.06; 156.65]-56 -NACooper, 2014 1 case control studiescase control studies 0 Type of controls unexposed, sickunexposed, sick 3.07[0.06; 156.65]-56 -NACooper, 2014 1 Tags Adjustment   - No  - No 3.07[0.06; 156.65]-56 -NACooper, 2014 1 All studiesAll studies 3.07[0.06; 156.65]-56 -NACooper, 2014 10.510.01.0

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 3194, 4098

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed, sick controlsunexposed, sick controls 3.07[0.06; 156.65]-56 -NACooper, 2014 10.510.01.0