Carbamazepine (Epilepsy) updated on 04-22-2025

Low birth weight (< 2500g)

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.
S16078
R66721
Christensen (Carbamazepine) (Epilepsy) (Controls exposed to LTG), 2024 Low birth weight (<2500 g) during pregnancy (anytime or not specified) population based cohort retrospective exposed to other treatment, sick excluded Adjustment: No 1.34 [1.09;1.65] C
excluded (control group)
153/2,669   230/5,299 383 2,669
ref
S16020
R66502
Christensen (Carbamazepine) (Epilepsy) (Controls unexposed, general population), 2024 Low birth weight (<2500 g) during pregnancy (anytime or not specified) population based cohort retrospective unexposed, sick Adjustment: Yes 1.43 [1.16;1.75] 153/2,669   1,006/22,227 1,159 2,669
ref
S18079
R76130
Leite, 2024 Low birth weight during pregnancy (anytime or not specified) retrospective cohort unexposed, disease free Adjustment: No 2.42 [0.86;6.77] -/29   111/492 - 29
ref
S10075
R36693
Blotiere (Carbamazepine), 2020 Weight at birth <2500 g during pregnancy (anytime or not specified) retrospective cohort (claims database) exposed to other treatment, sick Adjustment: No 1.34 [0.75;2.37] C 14/176   128/2,108 142 176
ref
S6356
R21028
Veiby (Carbamazepine) (Controls exposed to Lamotrigine, sick) b, 2013 Low birth weight (< 2500 grams) during pregnancy (anytime or not specified) prospective cohort exposed to other treatment, sick excluded Adjustment: No 1.30 [0.38;4.46] C
excluded (control group)
5/67   6/103 11 67
ref
S6354
R17338
Veiby (Carbamazepine) (Controls unexposed, disease free) b, 2013 Low birth weight (< 2500 grams) during pregnancy (anytime or not specified) prospective cohort unexposed, disease free excluded Adjustment: Yes 1.80 [0.70;4.40]
excluded (control group)
5/67   5,024/106,899 5,029 67
ref
S6355
R17334
Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Low birth weight (< 2500 grams) during pregnancy (anytime or not specified) prospective cohort unexposed, sick Adjustment: No 1.86 [0.66;5.27] C 5/67   16/386 21 67
ref
S7181
R20253
Kini (Carbamazepine) (Controls unexposed, sick), 2006 Birth weight <2500 g during pregnancy (anytime or not specified) retrospective cohort unexposed, sick Adjustment: No 0.27 [0.07;1.00] C 3/94   11/101 14 94
ref
Total 5 studies 1.35 [0.89;2.04] 1,336 3,035
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 (Carbamazepine) (Epilepsy) (Controls unexposed, general population), 2024Christensen, 2024 1 1.43[1.16; 1.75]1,1592,66942%ROB confusion: seriousROB selection: lowROB classification: moderateROB missing: lowROB mesure: moderateROB reporting: moderate Leite, 2024Leite, 2024 2.42[0.86; 6.77]-2912%ROB confusion: criticalROB selection: unclearROB classification: criticalROB missing: unclearROB mesure: moderateROB reporting: critical Blotiere (Carbamazepine), 2020Blotiere, 2020 2 1.34[0.75; 2.37]14217625%ROB confusion: criticalROB selection: moderateROB classification: criticalROB missing: moderateROB mesure: moderateROB reporting: moderate Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013Veiby, 2013 3 1.86[0.66; 5.27]216712%ROB confusion: criticalROB selection: lowROB classification: lowROB missing: moderateROB mesure: moderateROB reporting: moderate Kini (Carbamazepine) (Controls unexposed, sick), 2006Kini, 2006 4 0.27[0.07; 1.00]14948%ROB confusion: criticalROB selection: criticalROB classification: lowROB missing: unclearROB mesure: moderateROB reporting: moderate Total (5 studies) I2 = 47% 1.35[0.89; 2.04]1,3363,0350.25.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Carbamazepine) (Epilepsy) (Controls unexposed, general population; 2: Carbamazepine; 3: Carbamazepine) (Controls unexposed, sick) ; 4: Carbamazepine) (Controls unexposed, sick;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 1.35[0.89; 2.04]1,3363,03547%NAChristensen (Carbamazepine) (Epilepsy) (Controls unexposed, general population), 2024 Leite, 2024 Blotiere (Carbamazepine), 2020 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Kini (Carbamazepine) (Controls unexposed, sick), 2006 5 case control studiescase control studies 0 Type of controls unexposed (disease free or unspecified)unexposed (disease free or unspecified) 2.42[0.86; 6.79]-29 -NALeite, 2024 1 unexposed, sickunexposed, sick 1.05[0.44; 2.50]1,1942,83069%NAChristensen (Carbamazepine) (Epilepsy) (Controls unexposed, general population), 2024 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Kini (Carbamazepine) (Controls unexposed, sick), 2006 3 exposed to other treatment, sickexposed to other treatment, sick 1.34[0.75; 2.37]142176 -NABlotiere (Carbamazepine), 2020 1 Tags Adjustment   - No  - No 1.24[0.59; 2.61]17736659%NALeite, 2024 Blotiere (Carbamazepine), 2020 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Kini (Carbamazepine) (Controls unexposed, sick), 2006 4   - Yes  - Yes 1.43[1.16; 1.76]1,1592,669 -NAChristensen (Carbamazepine) (Epilepsy) (Controls unexposed, general population), 2024 1 All studiesAll studies 1.35[0.89; 2.04]1,3363,03547%NAChristensen (Carbamazepine) (Epilepsy) (Controls unexposed, general population), 2024 Leite, 2024 Blotiere (Carbamazepine), 2020 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Kini (Carbamazepine) (Controls unexposed, sick), 2006 50.15.01.0

Publication bias and p-hacking diagnosis

funnel plot
0.0-1.61.90.8020.000Christensen (Carbamazepine) (Epilepsy) (Controls unexposed, general population), 2024Leite, 2024Blotiere (Carbamazepine), 2020Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013Kini (Carbamazepine) (Controls unexposed, sick), 2006

Asymetry test p-value = 0.6925 (by Egger's regression)

slope=0.4191 (0.2275); intercept=-0.4691 (1.0765); t=0.4358; p=0.6925

p values plot
0.01.00.01.0

Sub-groups analysis using all included studies

excluded 6356, 6354, 16078

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 2.05[1.03; 4.08]5,131960%NALeite, 2024 Veiby (Carbamazepine) (Controls unexposed, disease free) b, 2013 2 unexposed, sick controlsunexposed, sick controls 1.05[0.44; 2.50]1,1942,83069%NAChristensen (Carbamazepine) (Epilepsy) (Controls unexposed, general population), 2024 Veiby (Carbamazepine) (Controls unexposed, sick) b, 2013 Kini (Carbamazepine) (Controls unexposed, sick), 2006 3 exposed to other treatment, sick controlsexposed to other treatment, sick controls 1.34[1.10; 1.63]5362,9120%NAChristensen (Carbamazepine) (Epilepsy) (Controls exposed to LTG), 2024 Blotiere (Carbamazepine), 2020 Veiby (Carbamazepine) (Controls exposed to Lamotrigine, sick) b, 2013 30.510.01.0