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Characteristics participants "Project On Preterm and Small for gestational age infants" (POPS) followed up at the age of 19 year |
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| total followed-up |
Gestational age ≤ 32 weeks |
Gestational age >32 weeks |
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| n = 690 |
n = 508 |
n = 182 |
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| Gestational age (weeks), mean (range), SD |
31 (26–41) ± 2.5 |
30 (26–32) ± 1.5 |
34 (32–41) ± 1.5 |
| Birthweight (grams) mean (range), SD |
1309 (560–2580) ± 293 |
1320 (560–2580) ± 325 |
1277 (600–1495) ± 175 |
| male/female (%) |
320/370 (46/54) |
244/264 (48/52) |
76/106 (42/58) |
| BPD (yes/no/unknown) (n) |
58/505/127 |
55/362/91 |
3/143/36 |
| duration mechanical ventilation (days) mean (range), SD |
4.5 (0–55) ± 8.1 |
5.7 (0–55) ± 8.9 |
1.1 (0–41) ± 3.8 |
Vrijlandt et al. Respiratory Research 2005 6:117 doi:10.1186/1465-9921-6-117 |
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