Variable | Very preterm children N=34 | Controls N=14 | p Value |
---|---|---|---|
Gender (F/M) | 10/24 | 9/5 | 0.09 |
Age (years) | 8.8 (7.4–11.7) | 9.1 (5.8–13) | 0.73 |
Height (SD units) | −0.5 (−2.5–2) | −0.1 (−3–0.7) | 0.96 |
Atopy | 6/34 (18%) | 3/14 (22%) | 0.55 |
Parental smoking | 11/34 (32%) | 0/14 (0%) | 0.03 |
FVC | 96 (39–121) | 100 (84–124) | 0.31 |
FEV1 | 84 (39–105) | 94 (79–118) | 0.01 |
PEF | 74 (38–91) | 86 (73–111) | 0.0008 |
FEF50 | 70 (35–110) | 106 (75–145) | 0.0001 |
Values are expressed as medians (range) or as numbers (%) in the given category.
Lung function tests are expressed as percentages of the predicted values.