Levetiracetam (Epilepsy)

Perinatal death

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.
S7815
R23212
Tomson (Levetiracetam), 2015 Perinatal death (during the first week after delivery from gestational week 24) at least 1st trimester prospective cohort exposed to other treatment, sick Adjustment: No 0.85 [0.04;16.51] C 0/296   3/1,763 3 296
ref
S5932
R15142
Artama (Levetiracetam) (Controls exposed to Lamotrigine, sick), 2013 Perinatal death (stillbirth or early neonatal death (0–6 days of age)) during pregnancy (anytime or not specified) population based cohort retrospective exposed to other treatment, sick excluded Adjustment: No 13.80 [0.26;725.23] C
excluded (control group)
0/13   0/173 0 13
ref
S5913
R14933
Artama (Levetiracetam) (Controls unexposed, disease free), 2013 Perinatal death (stillbirth or early neonatal death (0–6 days of age)) during pregnancy (anytime or not specified) population based cohort retrospective unexposed, disease free excluded Adjustment: No 8.11 [0.48;137.00] C
excluded (control group)
0/13   3,543/721,948 3,543 13
ref
S5921
R15029
Artama (Levetiracetam) (Controls unexposed, sick), 2013 Perinatal death (stillbirth or early neonatal death (0–6 days of age)) during pregnancy (anytime or not specified) population based cohort retrospective unexposed, sick Adjustment: No 6.82 [0.38;122.80] C 0/13   10/1,800 10 13
ref
Total 2 studies 2.47 [0.31;19.60] 13 309
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 Tomson (Levetiracetam), 2015Tomson, 2015 1 0.85[0.04; 16.51]329649%ROB confusion: NAROB selection: NAROB classification: NAROB missing: NAROB mesure: NAROB reporting: NA Artama (Levetiracetam) (Controls unexposed, sick), 2013Artama, 2013 2 6.82[0.38; 122.80]101351%ROB confusion: seriousROB selection: lowROB classification: criticalROB missing: lowROB mesure: moderateROB reporting: moderate Total (2 studies) I2 = 0% 2.47[0.31; 19.60]133090.220.01.0ROB: A: confusion, B: selection, C: classification, D: missing, E: measurement, F: reportinglow,moderate,serious,critical,unclear,

1: Levetiracetam; 2: Levetiracetam) (Controls unexposed, sick;

Sensitivity analysis

SubsetTE95% CIn casesn exposedkI2 Type of studies cohort studiescohort studies 2.47[0.31; 19.60]133090%NATomson (Levetiracetam), 2015 Artama (Levetiracetam) (Controls unexposed, sick), 2013 2 case control studiescase control studies 0 Type of controls unexposed, sickunexposed, sick 6.82[0.38; 122.80]1013 -NAArtama (Levetiracetam) (Controls unexposed, sick), 2013 1 exposed to other treatment, sickexposed to other treatment, sick 0.85[0.04; 16.51]3296 -NATomson (Levetiracetam), 2015 1 Tags Adjustment   - No  - No 2.47[0.31; 19.60]133090%NATomson (Levetiracetam), 2015 Artama (Levetiracetam) (Controls unexposed, sick), 2013 2 All studiesAll studies 2.47[0.31; 19.60]133090%NATomson (Levetiracetam), 2015 Artama (Levetiracetam) (Controls unexposed, sick), 2013 20.220.01.0

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 5932, 5913

Sub-groupsTE95% CIn casesn exposedkI2ROB type of controls unexposed controls (disease free or unspecified)unexposed controls (disease free or unspecified) 8.11[0.48; 137.00]3,54313 -NAArtama (Levetiracetam) (Controls unexposed, disease free), 2013 1 unexposed, sick controlsunexposed, sick controls 6.82[0.38; 122.80]1013 -NAArtama (Levetiracetam) (Controls unexposed, sick), 2013 1 exposed to other treatment, sick controlsexposed to other treatment, sick controls 2.48[0.17; 35.37]330918%NATomson (Levetiracetam), 2015 Artama (Levetiracetam) (Controls exposed to Lamotrigine, sick), 2013 20.510.01.0