Lansoprazole updated on 08-08-2023

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.
S18828
R80162		 Hongoh, 2025 Preterm birth (delivery between 22 and 37 weeks of gestation) 1st trimester prospective cohort unexposed (general population or NOS) Adjustment: No 1.99 [0.93;4.29] C 8/96   63/1,444 71 96
ref
S4429
R10474		 Diav-Citrin, 2005 Preterm birth (< 37 weeks) during pregnancy (anytime or not specified) prospective cohort unexposed (general population or NOS) Adjustment: No 1.30 [0.57;2.99] C 7/48   86/741 93 48
ref
Total 2 studies 1.64 [0.93;2.88] 164 144
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 Hongoh, 2025Hongoh, 2025 1.99[0.93; 4.29]719654%ROB confusion: criticalROB selection: moderateROB classification: moderateROB missing: unclearROB mesure: criticalROB reporting: critical Diav-Citrin, 2005Diav-Citrin, 2005 1.30[0.57; 2.99]934846%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA Total (2 studies) I2 = 0% 1.64[0.93; 2.88]1641440.55.01.0ROB: A: confounding, 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 1.64[0.93; 2.88]1641440%NAHongoh, 2025 Diav-Citrin, 2005 2 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 1.64[0.93; 2.88]1641440%NAHongoh, 2025 Diav-Citrin, 2005 2 Tags Adjustment   - No  - No 1.64[0.93; 2.88]1641440%NAHongoh, 2025 Diav-Citrin, 2005 2 All studiesAll studies 1.64[0.93; 2.88]1641440%NAHongoh, 2025 Diav-Citrin, 2005 20.55.01.0

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) 1.64[0.93; 2.88]1641440%NAHongoh, 2025 Diav-Citrin, 2005 20.510.01.0