Table 2.
Logistic regression analysis for the risk of a blastocyst to be diagnosed as inconclusive
| Parameter | OR | 95% CI | P value |
|---|---|---|---|
| Biopsy day | |||
| Day 5 | REf | Ref | 0.006 |
| Day 6 | 1.328 | 1.084–1.627 | |
| Stage | |||
| iHB | Ref | Ref | 0.000 |
| HB | 1.797 | 1.395–2.315 | |
| ICM quality | |||
| Good (grades A+B) | Ref | Ref | NS |
| Poor (grade C) | 1.066 | 0.877–1.296 | |
| TE quality | |||
| Good (grades A+B) | Ref | Ref | NS |
| Poor (grade C) | 1.073 | 0.885–1.301 | |
| Biopsy methodology | |||
| Flicking | Ref | Ref | 0.000 |
| Pulling | 2.986 | 2.441–3.652 | |
| Oocyte age (years) | 0.990 | 0.976–1.004 | NS |
OR, odds ratio; CI, confidence interval; NS, not significant; iHB, hatching blastocyst; HB, hatched blastocyst; ICM, inner cell mass; TE, trophectoderm