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Table 1 The characteristic of included studies

From: Association of ABO blood groups with ovarian reserve, and outcomes after assisted reproductive technology: systematic review and meta-analyses

Author/year Country Type of study Sample size Inclusion criteria Exclusion criteria Groups Outcomes
Nisio et al., 2018 [8] Italy Pros 497 patients Age <40y; ≤3 embryo ET; With anticoagulant treatment; without ET; PGS A: 203
B: 63
AB: 18
O: 213
LBR; MR; CPR; positive pregnancy test;
Goldsammler et al., 2015 [7] USA Retro 626 patients NR NR A: 117
B: 65
AB: 15
O: 227
No. of women with FSH> 10; LBR
Pereira et al., 2017 [1] USA Retro 2329 patients Normal responders, bFSH≤12;AMH≥1 ng/mL; Age<40y; 1st IVF with SET PCOS; Age ≥40y; with donor oocytes; PGS A: 897
B: 397
AB: 120
O: 1915
LBR;
Birth weight;
Gestational age
Awartani et al., 2016 [16] Saudi Arabia Retro 424 patients with 566 IVF cycles Age <40y;   A: 117
B: 65
AB: 15
O: 227
No. of women with FSH> 10; No. of oocytes retrieved;
CPR
Mu et al., 2016 [10] China Retro 14,875 patients NR With missing data or >45y A: 4608
B: 3651
AB: 1126
A antigen: 5734
B antigen: 4777
O: 5490
No. of women with FSH> 10
Lin et al., 2014 [11] China Retro 35,479 patients Age ≤45y; NR A: 9861
B: 11395
AB: 3640
O: 10583
No. of women with FSH> 10
Sengul et al., 2014 [14] Turkey Pros 500 Age 18-45y; NR A: 424
B: 129
AB: 36
O: 427
No. of women with FSH≥10
Spitzer et al., 2014 [15] Austria Retro 1202 patients with 1889 IVF cycles Only Caucasian Lost to follow-up A: 291+ 243
B: 86+ 64
AB: 37+ 31
O: 244+ 206
No. of COS/ MII;
CPR; ongoing pregnancy rate
Pereira et al., 2013 [21] USA Retro 2394 cycles DOR NR A: 885
B: 433
AB: 120
O: 956
No. of women with AMH< 1.5 ng/mL
Timberlake et al., 2013 [13] North Carlina Cross-
sectional
305 patients NR NR A: 189
B: 85
AB: 25
O: 24
No. of women with FSH> 10
Mouzon et al., 2012 [12] France Retro 1016 patients NR NR A: 424
B: 129
AB: 36
O: 427
No. of women with AMH< 1.5 ng/mL
Nejat et al., 2011 [9] USA Cross-
sectional
544 patients Age ≤45y; NR A: 189
B: 85
AB: 25
O: 245
No. of women with FSH> 10;
Bellver et al., 2010 [20] Spain NR 842 At risk of early OHSS (> 20 oocytes) after IVF NR A: 376
B: 56
AB: 33
O: 377
No. of OHSS
  1. Note: NR Not referred