Table 1 Characteristics of included studies
First Author, year [ID] | Country | Years recruitment | Source | Type of study | total (TFF) or partial (PFF) fertilization failure | total number of IVF cycles | female age mean (±SD) | n° of r-ICSI cycles | n° of r-ICSI oocytes | timing of r-ICSI post IVF (h) | Sperm |
|---|---|---|---|---|---|---|---|---|---|---|---|
Lundin K, 1996 [19] | Sweden | < 1995 | Ref | R | TFF and PFF | 57 | 450 | 20–22 | P,F | ||
Morton PC, 1997 [20] | Usa | 1993–1996 | Ref | R | TFF | 35.3 ± 4.3 | 54 | 489 | 20–24 | P | |
Bussen, 1997 [21] | Germany | < 1997 | Ref | CR | PFF | 32 | 1 | 6 | 20 | P | |
Yuzpe AA, 2000 [22] | Canada | 1997–1999 | Pub/Emb | R | TFF and PFF | 535 | 34.4 ± 4.0 | 32 | 234 | 19–22 | P |
Park KS, 2000 [23] | Korea | < 2000 | Ref | R | TFF and PFF | 31.7 ± 1.6 | 17 | 68 | > 18 | P | |
Kuczyński W, 2002 [24] | Poland | 1996–2000 | Pub/Emb | R | TFF | 1412 | 32.9 ± 5.0 | 120 | 779 | 18–20 | |
Chian RC, 2003 [25] | Canada | < 2003 | Pub/Emb | CR | TFF | 29 | 1 | 4 | > 18 | P | |
Lombardi E, 2003 [26] | Argentina | 1998 | Pub/Emb | CR | PFF | 36 | 1 | 12 | 20 | P | |
Chen C, 2003 [12] | Singapore | 1997–1998 | Pub/Emb | R | TFF | 230 | 35.2 ± 4.1 | 20 | 182 | 22 | |
Pehlivan T, 2004 [27] | Spain | < 2003 | Pub/Emb | CR | PFF | 35 | 1 | 11 | 21 | ||
Amarin ZO, 2005 [28] | Saudi Arabia | 1995–2001 | Pub/Emb | R | TFF | 492 | 32.6 | 78 | 616 | > 18–24 | P |
DeUgarte CM, 2006 [29] | Usa | < 2005 | Pub/Emb | CR | TFF | 42 | 1 | 7 | 20 | P | |
Esfandiari N, 2008 [30] | Canada | 2007 | Pub/Emb | CR | PFF | 28 | 1 | 8 | 19 | ||
Sermondade N, 2010 [15] | France | 2004–2009 | Pub/Emb | R | TFF | 35,5 ± 3.6 | 17 | 127 | > 18 | P | |
Shalom-paz E, 2011 [31] | Canada | 1999–2008 | Pub/Emb | R | TFF | 2700 | 35,5 ± 4,5 | 92 | 883 | 16–18 | P |
Xiong S, 2011 [32] | China | 2009 | Pub/Emb | R | TFF | 35.3 ± 3.2 | 3 | 20 | 20 | P | |
Zhu L, 2011 [33] | China | 2007–2009 | Emb | R | TFF | 31.3 ± 5.3 | 16 | 98 | 20–22 | P | |
Ming L, 2012 [14] | China | 2006–2011 | Pub/Emb | R | TFF | 15,162 | 31.1–33.2 ± 4.3 | 534 | 4824 | > 16–18 | P |
Singh N, 2013 [34] | India | < 2010 | Pub/Emb | CR | TFF | 32 | 1 | 4 | > 18 | P | |
Moon JH, 2015 [35] | Canada | < 2014 | Pub/Emb | CR | TFF | 28.5 | 2 | 19 | 21 | ||
Sachdev NM, 2016 [36] | Usa | 2003–2015 | Pub/Emb | R | TFF and PFF | 36,7 ± 4,3 | 12 | 111 | 15–18 | ||
Li M, 2021 [37] | China | 2013–2016 | Pub/Emb | R | TFF | 27,582 | 31.4–32.4 ± 4.7 | 625 | 3993 | > 16–19 | P |