Table 7 Proportion of preterm infants among published studies
| Â | Â | Number of Patients Referred to Clinical Hospital | PPV, % | Variable 17-OHP cutoff criteria | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Reference | n | Total (%) | Term | Preterm | N.A. | A/B | GA | Birth weight | ||
(A) | (B) | |||||||||
The Netherland, 2001 [24] | 87,827 | 224 | (0.255) | 70 | 150 | 4 | 0.47 | 5.9 | Yes | Yes |
France, 2012 [22] | 6,012,798 | 15,407 | (0.256) | 1,058 | 10,562 | 3,787 | 0.10 | 2.3 | No | No |
Sweden, 2014 [5] | 2,737,932 | 1728 | (0.063) | 874 | 854 | 0 | 1.02 | 13.4 | Yes | Yes |
Niigata, Japan, 2011 [9] | 478,337 | 242 | (0.050) | 69 | 173 | 0 | 0.39 | 10.7 | No | No |
Sapporo, Japan, 2014 [10] | 251,922 | 880 | (0.349) | 170 | 708 | 2 | 0.24 | N.A. | No | No |
Tokyo, Japan, 2015 | 2,105,108 | 410 | (0.019) | 300 | 99 | 11 | 3.03 | 25.8 | Yes | Yes |