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. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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S2900 R4095 |
Bérard, 2018 | Preterm (< 37 GW) | 2nd and/or 3rd trimester | nested case control | unexposed (general population or NOS) | Adjustment: Yes | 4.03 [0.91;17.85] | 7/21 10,818/154,324 | 10,825 | 21 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S2970 R4183 |
Chambers (Unexposed control, disease free), 2010 | Preterm delivery (<37 weeks) | 1st trimester | prospective cohort | unexposed, disease free excluded | Adjustment: No |
7.44 [2.58;21.50] C excluded (control group) |
20/56 5/72 | 25 | 56 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S2969 R4170 |
Chambers (Unexposed control, sick), 2010 | Preterm delivery (<37 weeks) | 1st trimester | prospective cohort | unexposed, sick | Adjustment: No | 1.74 [0.85;3.57] C | 20/56 23/95 | 43 | 56 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total | 2 studies | 2.04 [1.07;3.90] | 10,868 | 77 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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: Unexposed control, sick;
Funnel plot not drawn. Less than 3 points.
Asymetry test p-value = NaN (by Egger's regression)
not enought points
Funnel plot not drawn. Less than 3 points.
excluded 2970