Table 1.
Sample demographics
| Training | Longitudinal | PWML b | Template | ||
|---|---|---|---|---|---|
| Time 1 a | Time 2 b | ||||
| Sample size | 408 | 46 | – | 40 | 20 |
| Postmenstrual age at scan, weeks | |||||
| Mean | 39.3 | 33.5 | 40.8 | 37.2 | 37.4 |
| Median | 40.3 | 34.3 | 40.7 | 37.1 | 38.4 |
| Range | 26–45 | 28–37 | 38–43 | 29–43 | 29–42 |
| Gestational age at birth, weeks | |||||
| Mean | 37.6 | 30.9 | – | 35.9 | 34.6 |
| Median | 39.14 | 31.3 | – | 36.3 | 36 |
| Range | 23–42 | 24–36 | – | 27–41 | 23–41 |
| Sex | |||||
| Male | 219 | 28 | – | 23 | 12 |
| Female | 189 | 18 | – | 17 | 8 |
a
This sample is included in the training dataset.
b
This sample is held out of the training dataset.