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. 2020 Dec 28;13(4):323–332. doi: 10.4103/jhrs.JHRS_211_20

Table 5.

Reference/performance/key performance indicators in in vitro fertilization clinics after resumption of services postlockdown imposed due to COVID-19 pandemic

Reference/performance/key performance indicators Values during study period (%) Historic data (%) Competency value (Vienna consensus) Benchmark value (Vienna consensus)
Time period April 2020 - July 2020 October 2019 - December 2019
Number of patients 52 117
Reference indicators -
 Proportion of oocytes recovered 366/389 (94.1) 822/875 (93.9) - 80%-95% of follicles
 Proportion of MII oocytes 265/350 (75.7) 503/670 (75.1) - 75%-90%
Performance indicators
 Postpreparation sperm motility 90 90 90% ≥95%
 Polyspermy in IVF 0/15 (0) 5/152 (3.3) - <6%
 1 PN in IVF 0/15 (0) 6/152 (3.9) - <5%
 1 PN in ICSI 3/265 (1.1) 10/503 (1.9) - <3%
 Good blastocysts 40/82 (48.8) 48/107 (44.8) - ≥40%
Key performance indicators
 ICSI damage rate 25/285 (8.8) 59/503 (11.7) </=10 </=5
 ICSI - normal fertilization 187/285 (65.6) 310/503 (61.6) ≥65 ≥80
 IVF - normal fertilization 10/15 (66.7) 98/152 (64.5) ≥60 ≥75
 Failed fertilization in IVF 0 0 <5
 Cleavage rate 87/93 (93.5) 328/408 (80.3) >/=95 >/=99
 Day 2 embryo development rate 63/93 (67.7) 228/408 (55.3) >/=50 >/=80
 Day 3 embryo development rate 134/197 (68) 168/408 (41.1) >/=40 >/=60
 Blastocyst development rate 73/156 (46.7) 52/107 (48.5) >/=40 >/=60
 Implantation rate (day 3) 2/6 (33.3)* 18/70 (25.7) >/=25 >/=35
 Implantation rate (day 5) 4/6 (66.6)* 12/25 (48) >/-35 >/=60
 Blastocyst cryosurvival rate 25/26 (96.2) 50/52 (96.1) >/=90 /=99
 Implantation rate of vitrified and warmed embryos (day 5) 12/25 (48) 26/50 (52) - -

*Data are from embryo transfer in fresh IVF/ICSI cycles. Values are expressed as numbers (%). ICSI=Intracytoplasmic sperm injection, IVF=In vitro fertilization, MII=Meiosis II, PN=Pronucleus