Table 1 The number of features, subjects, and subjects with LBW in each dataset for the early prediction models
Dataset | Number of features | Number of subjects | Number of subjects with LBW (n, %) | Mean gestational weeks of data collected (mean, SD) |
|---|---|---|---|---|
Laboratory test data collected in the early stage of pregnancy | 27 | 22,035 | 1,975 (8.96) | 20.64 (6.54) |
Questionnaire data completed in the early stage of pregnancy | 495 | 21,783 | 1,964 (9.02) | 19.79 (7.93) |
Maternal SNP array data (Japonica Array v2) | 2,001 | 8,841 | 795 (8.99) | - |
Maternal SNP array data (Japonica Array NEO) | 2,155 | 9,845 | 952 (9.67) | - |
Paternal SNP array data (Japonica Array v2) | 2,001 | 3,005 | 283 (9.42) | - |
Paternal SNP array data (Japonica Array NEO) | 2,155 | 2,866 | 253 (8.83) | - |
Fetal ultrasonography data | 93 | 16,672 | 1,175 (7.05) | - |