Table 1 Demographic and perinatal characteristics of the study group
Measure | All subjects (nâ=â52) | Gestational age | |
|---|---|---|---|
24â28 weeks (nâ=â12) | 29â34 weeks (nâ=â40) | ||
Sex [n (%)] | Â | Â | Â |
Male | 24 (46.2%) | 7 (58.3%) | 17 (42.5%) |
Female | 28 (53.8%) | 5 (41.7%) | 23 (57.5%) |
Age at assessment, years [meanâ±âSD] | 21.6â±â0.6 | 21.6â±â0.8 | 21.6â±â0.5 |
Height, cm [meanâ±âSD] |  |  |  |
Male | 174.2â±â9.2 | 171.9â±â11.8 | 175.1â±â8.1 |
Female | 163.5â±â6.0 | 163.9â±â6.5 | 163.4â±â6.1 |
Weight, kg [meanâ±âSD] |  |  |  |
Male | 70.5â±â15.4 | 74.3â±â22.9 | 69.0â±â11.7 |
Female | 61.8â±â16.1 | 63.2â±â11.5 | 61.5â±â17.1 |
BMI [meanâ±âSD] |  |  |  |
Male | 23.1â±â3.6 | 24.7â±â4.6 | 22.4â±â3.0 |
Female | 23.1â±â5.8 | 23.4â±â3.3 | 23.0â±â6.3 |
Gestational age, weeks [meanâ±âSD] | 30.4â±â2.3 | 27.1â±â1.2 | 31.4â±â1.4 |
Birth weight, g [meanâ±âSD] | 1482.9â±â394.0 | 1066.7â±â242.2 | 1607.8â±â342.3 |
Prenatal steroids [n (%)] | 38 (73.1%) | 7 (58.3%) | 31 (77.5%) |
Congenital pneumonia [n (%)] | 18 (34.6%) | 8 (66.7%) | 10 (25.0%) |
Mechanical ventilationââ„â7 days [n (%)] | 12 (23.1%) | 7 (58.3%) | 5 (12.5%) |
Surfactant [n (%)] | 11 (21.2%) | 8 (66.7%) | 3 (7.5%) |
RDS [n (%)] | 15 (28.8%) | 9 (75.0%) | 6 (15.0%) |
Sepsis [n (%)] | 6 (11.5%) | 4 (33.3%) | 2 (5.0%) |
Postnatal steroids [n (%)] | 4 (7.8%) | 3 (25.0%) | 1 (2.6%) |
Hospitalisations due to respiratory infections up to 2 years of age [n (%)] | 12 (23.1%) | 3 (25.0%) | 9 (22.5%) |
Current asthma [n (%)] | 6 (11.5%) | 1 (8.3%) | 5 (12.5%) |
Current smoking [n (%)] | 15 (28.8%) | 3 (25.0%) | 12 (30.0%) |