Table 4.
Rates of placenta previa for women who conceived using ART (sensitivity analysis).
| Author | Year | No. Exp | No. Control | Exp End (%) | cOR | aOR |
|---|---|---|---|---|---|---|
| Endometriosis versus Non-endometriosis (women with ART) | ||||||
| Wang J [47] | 2021 | 74 | 1167 | 74/1167 (6.0%) | 3.51 (1.57–7.80) | -- |
| Fujii T [68] | 2016 | 92 | 512 | 92/604 (15.2%) | 12.10 (3.56–41.06) | 15.41 (4.40–61.7) |
| Benaglia L [70] | 2016 | 239 | 239 | -- | 4.89 (1.39–17.26) | -- |
| Jacques M [71] | 2016 | 113 | 113 | 160/2315 (6.9%) | 1.00 (0.20–5.06) | -- |
| Takemura Y [81] | 2013 | 53 | 265 | 53/318 (16.7%) | 6.20 (0.63–60.61) | -- |
| Benaglia L [83] | 2012 | 78 | 156 | -- | 13.35 (3.94–45.22) | -- |
| Healy DL [85] | 2010 | 1265 | 5465 | 1265/6730 (18.8%) | 1.67 (1.19–2.34) | 1.65 (1.18–2.32) |
| ART versus SC (in women with endometriosis) | ||||||
| Epelboin S [48] | 2021 | 6934 | 31,101 | 6934/38,035(18.2%) | 2.94 (2.55–3.38) | -- |
| ART with endometriosis versus SC without endometriosis | ||||||
| Epelboin S [48] | 2021 | 6934 | 4,083,732 | -- | 8.82 (7.89–9.86) | -- |
| Frozen ET versus Fresh ET | ||||||
| Zargar M [44] | 2021 | 356 | 313 | -- | 0.93 (0.46–1.87) | -- |
| Shinohara S [52] | 2020 | 330 | 112 | -- | 0.68 (0.06–7.54) | -- |
| Sakai Y [58] | 2019 | 60 | 27 b | -- | 1.41 (0.35–5.69) | -- |
| Ginström E [72] | 2016 | 7795 | 22,771 | -- | 0.51 (0.40–0.65) | -- |
| Takeshima K [74] | 2016 | 90,783 | 50,445 | -- | 0.79 (0.70–0.89) | -- |
| Kaser DJ [75] | 2015 | 42 | 157 | -- | 0.81 (0.33–2.00) | |
| Rombauts L [76] | 2014 | 1586 | 2951 | 99/1586 (6.2%) | 0.54 (0.36–0.80) | -- |
| Korosec S [77] | 2014 | 211 | 915 | 43/211 (20.4%) | 0.06 (0.00–1.05) | -- |
| Liu SY [80] | 2013 | 1531 a | 1914 a | -- | 1.46 (0.49–4.36) | |
| Healy DL [85] | 2010 | 2045 | 4058 | -- | 0.82 (0.59–1.14) | 1.37 (0.96–1.95) c |
| HRC versus NC (Frozen ET) | ||||||
| Hu KL [45] | 2021 | 2561 | 3790 | 122 (4.8%) | 0.58 (0.27–1.24) c | |
| Asserhøj LL [46] | 2021 | 357 | 731 | 16 (5.0%) | 1.10 (0.46–2.62) | |
| Saito K [59] | 2019 | 24,225 | 10,755 | -- | 0.80 (0.59–1.08) | 1.00 (0.64–1.56) |
| Rombauts L [76] | 2014 | 355 | 1231 | -- | 2.02 (0.98–4.14) | -- |
a Day 3 embryo. b Two cases involved frozen embryo transfer. c Calculated by the author. Some values listed might be slightly different from the original values because the calculation was performed using Revman ver. 5.4.1 or they were estimated by the authors. Abbreviations: Exp, Experimental; End, endometriosis; Exp End, the rate of endometriosis in the experimental group; ART, assisted reproductive technology; --, not applicable; Frozen, frozen embryo transfer; Fresh, fresh embryo transfer; ET, embryo transfer; No., number; OR, odds rate; cOR, crude odds ratio; aOR, adjusted odds ratio; No. Exp; number of women included in the experimental group; No. Control, number of women included in the control group; ART_non-end; women without endometriosis conceived by ART; SC_end, spontaneous conception with endometriosis; SC_non-end, spontaneous conception without endometriosis; HRC, hormone replacement cycle; NC, natural cycle.