Oxcarbazepine (Epilepsy)

Spina bifida

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.
S6333
R26051
Veiby (Oxcarbazepine) (Controls exposed to Lamotrigine, sick), 2014 Spina bifida throughout pregnancy population based cohort retrospective exposed to other treatment, sick excluded Adjustment: No 11.73 [0.23;597.58] C
excluded (control group)
0/51   0/593 0 51
ref
S6335
R26064
Veiby (Oxcarbazepine) (Controls unexposed, sick), 2014 Spina bifida throughout pregnancy population based cohort retrospective unexposed, sick Adjustment: No 10.66 [0.54;209.15] C 0/51   3/3,773 3 51
ref
S6170
R21988
Viinikainen (Oxcarbazepine) (Controls unexposed, sick) a, 2006 Spina bifida throughout pregnancy prospective cohort unexposed, sick Adjustment: No 34.33 [0.49;2389.88] C 0/2   0/52 0 2
ref
S6096
R15866
Artama (Oxcarbazepine), 2005 Spina bifida 1st trimester retrospective cohort (registry) unexposed, sick Adjustment: No 9.53 [0.19;482.86] C 0/99   0/939 0 99
ref
Total 3 studies 13.65 [1.72;108.21] 3 152
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 Veiby (Oxcarbazepine) (Controls unexposed, sick), 2014Veiby, 2014 1 10.66[0.54; 209.15]35148%ROB confusion: criticalROB selection: moderateROB classification: moderateROB missing: moderateROB mesure: moderateROB reporting: moderate Viinikainen (Oxcarbazepine) (Controls unexposed, sick) a, 2006Viinikainen, 2006 2 34.33[0.49; 2389.88]0224%ROB confusion: criticalROB selection: moderateROB classification: moderateROB missing: unclearROB mesure: moderateROB reporting: moderate Artama (Oxcarbazepine), 2005Artama, 2005 3 9.53[0.19; 482.86]09928%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA Total (3 studies) I2 = 0% 13.65[1.72; 108.21]31520.9100.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Oxcarbazepine) (Controls unexposed, sick; 2: Oxcarbazepine) (Controls unexposed, sick) ; 3: Oxcarbazepine;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 13.65[1.72; 108.21]31520%NAVeiby (Oxcarbazepine) (Controls unexposed, sick), 2014 Viinikainen (Oxcarbazepine) (Controls unexposed, sick) a, 2006 Artama (Oxcarbazepine), 2005 3 case control studiescase control studies 0 Type of controls unexposed, sickunexposed, sick 13.65[1.72; 108.21]31520%NAVeiby (Oxcarbazepine) (Controls unexposed, sick), 2014 Viinikainen (Oxcarbazepine) (Controls unexposed, sick) a, 2006 Artama (Oxcarbazepine), 2005 3 Tags Adjustment   - No  - No 13.65[1.72; 108.21]31520%NAVeiby (Oxcarbazepine) (Controls unexposed, sick), 2014 Viinikainen (Oxcarbazepine) (Controls unexposed, sick) a, 2006 Artama (Oxcarbazepine), 2005 3 All studiesAll studies 13.65[1.72; 108.21]31520%NAVeiby (Oxcarbazepine) (Controls unexposed, sick), 2014 Viinikainen (Oxcarbazepine) (Controls unexposed, sick) a, 2006 Artama (Oxcarbazepine), 2005 30.5100.01.0

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 6333

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed, sick controlsunexposed, sick controls Out of scale13.65[1.72; 108.21]31520%NAVeiby (Oxcarbazepine) (Controls unexposed, sick), 2014 Viinikainen (Oxcarbazepine) (Controls unexposed, sick) a, 2006 Artama (Oxcarbazepine), 2005 3 exposed to other treatment, sick controlsexposed to other treatment, sick controls Out of scale11.73[0.23; 597.58]-51 -NAVeiby (Oxcarbazepine) (Controls exposed to Lamotrigine, sick), 2014 10.510.01.0