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. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S10174 R37202 |
Blotière (Valproate) (Controls exposed to Lamotrigine, sick) (Mixed indications), 2019 | Spina bifida | 1st trimester | retrospective cohort (claims database) | exposed to other treatment, sick excluded | Adjustment: No |
19.82 [2.38;164.84] C excluded (control group) |
6/913 1/2,997 | 7 | 913 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S10051 R36476 |
Blotière (Valproate) (Controls unexposed NOS) (Mixed indications), 2019 | Spina bifida | 1st trimester | retrospective cohort (claims database) | unexposed (general population or NOS) | Adjustment: Yes | 19.40 [8.60;43.50] | 6/913 616/1,875,733 | 622 | 913 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S9325 R32515 |
Veiby (Valproate) (Controls exposed to Lamotrigine, sick) (Mixed indications), 2014 | Spina bifida | throughout pregnancy | population based cohort retrospective | exposed to other treatment, sick excluded | Adjustment: No |
7.53 [0.31;185.42] C excluded (control group) |
1/333 0/833 | 1 | 333 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S9327 R32524 |
Veiby (Valproate) (Controls unexposed, sick) (Mixed indications), 2014 | Spina bifida | throughout pregnancy | population based cohort retrospective | unexposed, sick | Adjustment: No Controls: epilepsy indication | 3.79 [0.39;36.49] C | 1/333 3/3,773 | 4 | 333 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S9293 R32278 |
Charlton (Valproate) (Controls exposed to Lamotrigine, sick), 2011 | Spina bifida | 1st trimester | retrospective cohort (claims database) | exposed to other treatment, sick excluded | Adjustment: No |
3.98 [0.21;74.64] C excluded (control group) |
4/225 0/98 | 4 | 225 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S9294 R32281 |
Charlton (Valproate) (Controls unexposed, sick), 2011 | Spina bifida | 1st trimester | retrospective cohort (claims database) | unexposed, sick | Adjustment: No | 8.02 [1.50;43.50] | 4/225 2/902 | 6 | 225 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S9329 R32529 |
Viinikainen (Valproate) (Controls unexposed, sick) a, 2006 | Spina bifida | throughout pregnancy | prospective cohort | unexposed, sick | Adjustment: No | 5.83 [0.23;148.09] C | 1/28 0/52 | 1 | 28 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S9330 R32537 |
Artama (Valproate), 2005 | Spina bifida | 1st trimester | retrospective cohort (registry) | unexposed, sick | Adjustment: No | 40.09 [2.21;727.45] C | 5/263 0/939 | 5 | 263 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S9343 R32592 |
Källén (Valproate), 1994 | Spina bifida | during pregnancy (anytime or not specified) excluded | nested case control | unexposed, sick | Adjustment: No Matched |
no data excluded (exposition period) |
1/1 0/6 | 1 | 1 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S9338 R32584 |
Czeizel (Valproate), 1992 | Spina bifida | throughout pregnancy | case control | unexposed, sick | Adjustment: No | 3.00 [0.08;107.45] C | 1/2 1/4 | 2 | 2 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total | 6 studies | 13.80 [7.20;26.46] | 640 | 1,764 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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 |
1: Valproate) (Controls unexposed NOS) (Mixed indications; 2: Valproate) (Controls unexposed, sick) (Mixed indications; 3: Valproate) (Controls unexposed, sick; 4: Valproate) (Controls unexposed, sick) ; 5: Valproate; 6: Valproate;
Asymetry test p-value = 0.1875 (by Egger's regression)
slope=3.2777 (0.4833); intercept=-0.9438 (0.5944); t=1.5879; p=0.1875
excluded 9293, 9325, 10174