Table 1 Baseline characteristics of newborns enrolled by expanded newborn screening program.
Category | Newborns without targeted IEMs | Confirmed IEM patients | P |
|---|---|---|---|
Number | 146077 | 75 | |
Age at initial screening (days, mean ± SD) | 7.04 ± 5.63 | 7.63 ± 3.79 | 0.418 |
Gender | |||
Male | 75633 | 39 | 0.995 |
Female | 70427 | 36 | |
Unknown | 17 | 0 | |
Gestational age (weeks) | |||
< 32 | 1054 | 0 | < 0.001 |
32–36+6 | 10479 | 11 | |
≥ 37 | 134523 | 63 | |
Unknown | 21 | 1 | |
Birth weight (g) | |||
< 2500 | 9677 | 6 | 0.049 |
2500–2999 | 24106 | 21 | |
≥ 3000 | 112266 | 48 | |
Unknown | 28 | 0 | |
Number of fetus | |||
Singleton | 145872 | 70 | < 0.001 |
Twins | 205 | 5 | |
Multiplets | 0 | 0 | |
