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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S3898 R8263 |
Ozturk, 2016 | Preterm birth (<37 weeks) | during pregnancy (anytime or not specified) | retrospective cohort | unexposed (general population or NOS) | Adjustment: No | 9.31 [0.35;245.79] C | 0/2 8/246 | 8 | 2 |
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ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S2458 R3146 |
Vigod, 2015 | Preterm birth <37 weeks gestation | during pregnancy (anytime or not specified) | retrospective cohort (claims database) | unexposed, sick | Adjustment: No | 0.93 [0.52;1.64] C | 15/112 146/1,021 | 161 | 112 |
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ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
S2475 R3213 |
Newport, 2007 | Preterm (<37 weeks estimated gestational age) | late pregnancy | prospective cohort | exposed to other treatment, sick | Adjustment: No | 2.27 [0.04;129.96] C | 0/6 0/13 | 0 | 6 |
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ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Total | 3 studies | 1.02 [0.57;1.83] | 169 | 120 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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 |
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