Primidone (All indications) updated on 04-22-2025

Small for gestational age (weight)

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.
S16076
R66714
Christensen (Primidone) (All indications) (Controls exposed to LTG), 2024 Small for gestational age (a z-score for birth weight ≤10th percentile for gestational week, sex, and country (including newborns with congenital malformations)) during pregnancy (anytime or not specified) population based cohort retrospective exposed to other treatment, sick excluded Adjustment: No 1.83 [0.75;4.42] C
excluded (control group)
6/34   920/8,756 926 34
ref
S16055
R66633
Christensen (Primidone) (All indications) (Controls unexposed, general population), 2024 Small for gestational age (a z-score for birth weight ≤10th percentile for gestational week, sex, and country (including newborns with congenital malformations)) during pregnancy (anytime or not specified) population based cohort retrospective unexposed (general population or NOS) Adjustment: Yes 1.84 [0.74;4.55] 6/34   446,267/4,467,848 446,273 34
ref
S9455
R33260
Burja (Primidone) (Controls unexposed, disease free), 2006 Small for date (NOS) during pregnancy (anytime or not specified) retrospective cohort (registry) unexposed, disease free excluded Adjustment: No 8.38 [0.16;432.63] C
excluded (control group)
1/1   23/211 24 1
ref
S9456
R33265
Burja (Primidone) (Controls unexposed, sick), 2006 Small for date (NOS) during pregnancy (anytime or not specified) retrospective cohort (registry) unexposed, sick Adjustment: No 63.00 [0.51;7760.63] C 1/1   1/32 2 1
ref
Total 2 studies 4.73 [0.22;101.21] 446,275 35
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 Christensen (Primidone) (All indications) (Controls unexposed, general population), 2024Christensen, 2024 1 1.84[0.74; 4.55]446,2733473%ROB confusion: seriousROB selection: lowROB classification: criticalROB missing: lowROB mesure: moderateROB reporting: moderate Burja (Primidone) (Controls unexposed, sick), 2006Burja, 2006 2 63.00[0.51; 7760.63]2127%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA Total (2 studies) I2 = 50% 4.73[0.22; 101.21]446,275350.5500.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Primidone) (All indications) (Controls unexposed, general population; 2: Primidone) (Controls unexposed, sick;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 4.73[0.22; 101.21]446,2753550%NAChristensen (Primidone) (All indications) (Controls unexposed, general population), 2024 Burja (Primidone) (Controls unexposed, sick), 2006 2 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 1.84[0.74; 4.56]446,27334 -NAChristensen (Primidone) (All indications) (Controls unexposed, general population), 2024 1 unexposed, sickunexposed, sick 63.00[0.51; 7760.63]21 -NABurja (Primidone) (Controls unexposed, sick), 2006 1 Tags Adjustment   - No  - No 63.00[0.51; 7760.63]21 -NABurja (Primidone) (Controls unexposed, sick), 2006 1   - Yes  - Yes 1.84[0.74; 4.56]446,27334 -NAChristensen (Primidone) (All indications) (Controls unexposed, general population), 2024 1 All studiesAll studies 4.73[0.22; 101.21]446,2753550%NAChristensen (Primidone) (All indications) (Controls unexposed, general population), 2024 Burja (Primidone) (Controls unexposed, sick), 2006 20.51000.01.0

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 9455, 16076

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 1.99[0.82; 4.81]446,297350%NAChristensen (Primidone) (All indications) (Controls unexposed, general population), 2024 Burja (Primidone) (Controls unexposed, disease free), 2006 2 unexposed, sick controlsunexposed, sick controls Out of scale63.00[0.51; 7760.63]21 -NABurja (Primidone) (Controls unexposed, sick), 2006 1 exposed to other treatment, sick controlsexposed to other treatment, sick controls 1.83[0.75; 4.42]92634 -NAChristensen (Primidone) (All indications) (Controls exposed to LTG), 2024 10.510.01.0