Table 1 Relevant data of retrieved studies
From: Risk factors for non-adherent retained placenta after vaginal delivery: a systematic review
Authors, year, Country | Study Design | Study period (years) | Overall deliveries (n) | RP diagnosis (min) and definition | Prevalence of RP | Management |
|---|---|---|---|---|---|---|
Meyer, 2020 Israel, [12] | Retrospective | 8 | 16,867 | 60, D | 6.5% (including complete and partial retained placenta) | Active |
Granfors, 2020 Sweden, [13] | Retrospective | 6 | 49,598 | NS, E | 2.0% | NS |
Rottenstreich, 2019 Israel [14] | Retrospective | 13 | 170,009 | 40, C | 2.70% | Active |
Ruiter, 2019 Netherlands [15] | Retrospective | 11 | 359,737 | NS, E | 2.7%, (first pregnancy), 17% (recurrence in second pregnancy) | NS |
Favilli, 2018 Italy [16] | Retrospective | 10 | 22,749 | 30, B | 0.6% | Active |
Rotem, 2018 Israel [17] | Retrospective | 25 | 263,053 | 30, B | 0.7% (Hypertenstìyve disorders) 0.6% (No hypertensyve disorders) | Active |
Vannuccini, 2018 Italy [18] | Retrospective | 5 | 1168 (Spontaneous pregnancies) 188 (ART pregnancies) | NS, E | 6.30% (ART pregnancies) 2.8% (spontaneous pregnancies) | NS |
Endler, 2017 Sweden [19] | Retrospective | 40 | 494,000 | 30, B | 2.4%, (index births) 3.2% (second generation births) | Observational + active |
Greenbaum, 2017 Israel [9] | Retrospective | 25 | 205,522 | 30, B | 4.8% | Observational |
Anteby, 2017 Israel [7] | Prospective | 2 | 19,359 | 60, D | 1.5% | Active |
Alufi, 2017 Israel [6] | Retrospective | 4 | 18,146 | 30, B | 0.5% | Observational |
Berlac, 2017 Denamark [20] | Retrospective | 14 | 11,739 (women with endometriosis disease) | NS, E | 2.20% | Observational |
Aziz, 2016 New Jersey [21] | Retrospective | 5 | 769 | NS, E | 1.05% (ART pregnancies) 1% (spontaneous pregnancies) | NS |
Sarit, 2016 Israel [22] | Retrospective | 0,5 | 4227 | 60, D | 1.9% | Active |
Jackson, 2015 California [23] | Retrospective | 11 | 193 (spontaneous pregnancies 185 (ART pregnancies) | NS, E | 0% (spontaneous pregnancies) 2.7% (ART pregnancies) | Observational |
Shinar, 2015 Israel [24] | Retrospective | 5 | 25,160 | 60, B | 9.00% | Active |
John, 2015 Nigeria [25] | Retrospective | 5 | 15,789 | 30, B | 0.59% | Observational |
Coviello, 2015 USA [3] | Retrospective | 6 | 228,562 | 30, B | 1.12% | Observational |
Torricelli, 2015 Italy [26] | Prospective | 3 | 2354 | NS, E | NS | Observational |
Ashwal, 2014 Israel [27] | Retrospective | 5 | 33,925 | 30, B | 1.4% | Active |
Endler, 2014 Sweden [2] | Retrospective | 12 | 386,607 | NS, E | 2.17% | Active |
Magann, 2013 USA [28] | Retrospective | 2 | 452 | 15, A | NS | Observational |
Nikolajsen, 2013 Denmark [29] | Retrospective | 9 | 10,334 | 30, B | 2.60% | Observational |
Endler, 2012 Sweden [30] | Retrospective | 3 | 16,209 | 30, B | 2.6% | Active |
Farhi, 2010 Israel [31] | Retrospective | 2 | 280 | NS, E | NS | NS |
Obajimi, 2009 Nigeria [32] | Retrospective | 5 | 4980 | 30, B | 2.13% | Observational |
Rizwan, 2009 Pakistan [33] | Retrospective + prospective | 3 | 8782 | 30, B | 1.02% | Active |
Owolabi, 2008 Nigeria [34] | Prospective | 7 | 6160 | 30, B | 1.9% | Observational + active |
Panpaprai, 2007 Thailand [35] | Retrospective | 3 | 234 (78 cases, 156 controls) | 30, B | NS | Observational |
Chhabra, 2002 India [8] | Retrospective | 15 | 29,784 | NS, E | 0.23% | Observational + active |
Titz, 2001 Australia [36] | Retrospective | 7 | 3734 | 60, D | 3.00% | Observational |
Adelusi, 1997 Saudi Arabia [37] | Retrospective | 5 | 22,045 | NS, E | 0.06% | Observational |
Soltan, 1997 Saudi Arabia [38] | Retrospective | 6 | 26,315 | 60, D | 0.55% | Observational |
Golan, 1996 Israel [39] | Retrospective | NS | NS | NS | NS | NS |
Dombrowski, 1995 Michigan [40] | Prospective | 9 | 45,852 | 30, B | 2.00% | Active |
Combs, 1991 California [41] | Retrospective | 11 | 12,979 | 30, B | 3.3% | Observational |
Romero,1990 Connecticut [42] | Retrospective | 2 | 792 | 30, B | 3.40% | Observational |