| 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. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S4891 R12905 |
Broms (Controls exposed to other treatments), 2020 | Caesarean section | during pregnancy (anytime or not specified) | population based cohort retrospective | exposed to other treatment, sick excluded | Adjustment: No |
1.51 [1.30;1.76] excluded (control group) |
-/- -/- | - | - |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S4890 R12897 |
Broms (Controls unexposed, disease free), 2020 | Caesarean section | 3 months (or more) before pregnancy or during pregnancy excluded | population based cohort retrospective | unexposed, disease free | Adjustment: No |
2.88 [2.54;3.27] C excluded (exposition period) |
387/1,027 281,654/1,623,483 | 282,041 | 1,027 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S4958 R12998 |
De Lorenzo (Controls unexposed, disease free), 2020 | Caesarean | at least 1st trimester | retrospective cohort | unexposed, disease free excluded | Adjustment: No |
4.20 [1.06;16.58] C excluded (control group) |
7/12 9/36 | 16 | 12 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S4959 R13004 |
De Lorenzo (Controls unexposed, sick), 2020 | Caesarean | at least 1st trimester excluded | retrospective cohort | unexposed, sick | Adjustment: No |
2.05 [0.53;7.87] C excluded (exposition period) |
7/12 13/32 | 20 | 12 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S4995 R13089 |
Drechsel, 2020 | Caesarean section | 1st trimester excluded | prospective cohort | unexposed, sick | Adjustment: No |
1.40 [0.43;4.53] C excluded (exposition period) |
6/14 23/66 | 29 | 14 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S3072 R4705 |
Duricova, 2019 | Cesarean section | during pregnancy (anytime or not specified) | retrospective cohort | unexposed, disease free | Adjustment: No | 10.55 [4.69;23.70] C | 48/72 11/69 | 59 | 72 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S3066 R4665 |
Chaparro, 2018 | Cesarean section | 3 months (or more) before pregnancy or during pregnancy excluded | retrospective cohort | unexposed, sick | Adjustment: No |
1.66 [1.25;2.19] C excluded (exposition period) |
170/388 145/453 | 315 | 388 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S4898 R12944 |
Zbinden (rheumatoid arthritis), 2018 | C-section | during pregnancy (anytime or not specified) | prospective cohort | unexposed, disease free | Adjustment: Yes | 0.60 [0.20;1.50] | -/28 -/70 | - | 28 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S4899 R12948 |
Zbinden b (axial spondyloarthritis), 2018 | C-section | during pregnancy (anytime or not specified) | prospective cohort | unexposed, disease free excluded | Adjustment: Yes |
0.90 [0.31;2.40] excluded (control group) |
-/31 -/70 | - | 31 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S3070 R4689 |
De Lima (Controls unexposed, disease free), 2016 | Caesarean section | during pregnancy (anytime or not specified) | prospective cohort | unexposed, disease free excluded | Adjustment: No |
6.30 [3.88;10.23] C excluded (control group) |
37/83 91/804 | 128 | 83 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S3071 R4698 |
De Lima (Treatment stopped during pregnancy, sick), 2016 | Caesarean section | 1st and 2nd trimester excluded | prospective cohort | unexposed, sick | Adjustment: No |
0.62 [0.25;1.54] C excluded (exposition period) |
12/32 25/51 | 37 | 32 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S2897 R4082 |
Diav-Citrin (Controls exposed to other treatments), 2014 | Cesarean section | 1st trimester | prospective cohort | exposed to other treatment, sick excluded | Adjustment: No |
1.50 [0.72;3.11] C excluded (control group) |
22/66 19/76 | 41 | 66 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| S2893 R4074 |
Diav-Citrin (Controls unexposed, disease free), 2014 | Cesarean section | 1st trimester excluded | prospective cohort | unexposed, disease free | Adjustment: No |
1.44 [0.82;2.54] C excluded (exposition period) |
22/66 84/326 | 106 | 66 |
|
ref | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Total | 2 studies | 2.56 [0.15;42.43] | 59 | 100 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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: rheumatoid arthritis;
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 2897, 3070, 4899, 4891, 4958