Table 4 Discriminant analysis to predict a birthweight under the 25th percentile in SC and ART individuals exposed to Vitrolife® culture medium
Factors included in model | Standardized Canonical Discriminant Function Coefficients | Wilks’ Lambda N = number of cases included in the model | Correctly classified (original vs cross-validated grouped cases) Correctly classified in each category | |
|---|---|---|---|---|
All pregnancy-related factors | Maternal age | 0.871 | P = 0.174 N = 200 | 62.5% vs 59.5% 63.3% >P25 correct 58.1% <P25 correct |
Smoking | 0.412 | |||
Pregnancy hypertension | 0.392 | |||
Maternal BMI > 25 | −0.109 | |||
Primiparity | 0.132 | |||
Gestational diabetes | −0.093 | |||
mtDNA factors only | Homoplasmic tRNA variants | 0.369 | P < 0.001 N = 282 | 64.9% vs 64.9%% 64.5% >P25 correct 66.7% <P25 correct |
Heteroplasmic non-synonymous and rRNA variants | 0.681 | |||
Haplogroup I | 0.411 | |||
Haplogroup J | 0.343 | |||
Haplogroup T | −0.398 | |||
Pregnancy and mtDNA factors | Maternal age | 0.565 | P < 0.046 N = 200 | 68.5%% vs 63.0% 68.6% >P25 correct 67.7% <P25 correct |
Smoking | 0.326 | |||
Pregnancy hypertension | 0.217 | |||
Maternal BMI > 25 | −0.102 | |||
Gestational diabetes | −0.022 | |||
Primiparity | 0.115 | |||
Homoplasmic tRNA variants | 0.333 | |||
Haplogroup I | 0.218 | |||
Haplogroup J | 0.236 | |||
Haplogroup T | −0.325 | |||
Heteroplasmic non-synonymous and rRNA variants | 0.531 | |||
