Table 1 A comparison of the present study with the previous studies
Reference | Study area | Study population | Study period | Sample size | Subjects | Analysis | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
All/live births | All/Singleton | GA (weeks) Method | Congenital anomalies included | Gender | Mean ± SD by GA | Percentiles by GA | |||||
US (Denver, Colorado) | Colorado General Hospital | 1948–61 | 7827 | Live | All | 24–42 LMP | No | Yes | No | Yes | |
Niklasson [19] | Sweden | Medical birth registration | 1977–81 | 475,588 | Live | Singleton | 28–42 LMP & USG | No | Yes | Yes | No |
Kramer [18] | Canada, except Toronto | Provinces | 1994–96 | 676,605 | All | Singleton | 22–43 USG | Yes | Yes | Yes | Yes |
Alisyahbana [26] | Indonesia | 14 teaching hospitals | 1990–91 | 5844 | Live | Singleton | 34-44 LMP | No | Yes | No | Yes |
Ulrich M [12] | Denmark (Odense) | Residents | 1978 | 906 | Live | Singleton | 25–43 USG & Dubowitz | No | Yes | Yes | No |
Matthai [24] | India (Velore) | Christian hospital (n = 13,217) | 1991–94 | 11,641 | Live | Singleton | 37–41 Clinical &USG | No (normal) | Yes | No | Yes (only 10, 50, 90) |
Fok [20] | Hongkong | Chinese origin (n = 104,258) | 1998–2001 | 10,339 | Live | Singleton | 24–43 (USG & Ballard) | No | Yes | Yes | Yes |
Visser [21] | The Netherland | The Netherlands Perinatal Registry (n = 183,000) | 2001 | 176,000 | Live & intrapartum death | Singleton | 25 onwards LMP &USG | Yes | Yes | Yes | Yes |
Present study | Indonesia (Yogyakarta) | Sardjito, 5 district hospitals, & 5 health centers (n = 59,609) | 1998–2007 | 54,599 | Live | Singleton | 26–42 (Dubowitz) | No | Yes | Yes | Yes |