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Table 2 Results for embryological data

From: Triple touch sperm immobilization vs. single touch sperm immobilization in ICSI - a randomised trial

Total number of oocytes 3532
Total number of mature
oocytes = total number of injected oocytes
3056
Outcome variable STIm -group TTIm-group P-value
% Fertilization rate/mature oocytes injected (n) 67.1 (992/1478) 66.7 (984/1476) 0.81
% Fertilization rate/successfully injected oocytes (n) 74.8 (992/1326) 75.8 (984/1298) 0.56
Parameter    
% 1pn/mature oocytes injected (n) 4.5 (67/1478) 3.5 (51/1476) 0.16
% 3pn/mature oocytes injected (n) 2.2 (32/1478) 2.6 (38/1476) 0.55
N GQE d2/total n embryos on d2 326/987 312/982  
N GQE d3/total n embryos on d3 348/929 300/932  
N GQE d5/total n blastocysts on d5 5/29 6/29  
% of good quality embryos on d2 (n) 33.0 (326) 31.8 (312) 0.56
% of good quality embryos on d3 (n) 37.5 (348) 32.2 (300) 0.0172
% of good quality embryos on d5 (n) 17.2 (5) 20.7 (6) >0.9999
% Utilisation rate (n) 51.7 (513) 47.2 (464) 0.24
  1. “Parameters evaluated in both groups (STIm versus TTIm). The number of good quality embryos on day 3 was significantly different between both groups; the other characteristics were equal in both groups.”