Table 1 Anthropometric data and baseline lung function of study subjects.
| Healthy (n = 78) | CF (n = 39) | nCLD (n = 49) | Asthma (n = 56) | Wheeze (n = 66) | |
|---|---|---|---|---|---|
| Age (months) | 61 (50, 62) | 60 (43, 80) | 62 (43, 71) | 61 (47, 80) | 61 (49, 80) |
| Sex (M:F) | 36:42 | 15:24 | 23:26 | 35:21 | 41:25 |
| Height (cm) | 110 (103, 118) | 107 (94, 122) | 106 (96, 113) | 112 (101, 123) | 112 (102, 22) |
| Weight (kg) | 19.5 (15.8, 22.6) | 17.8 (14.2, 24.7) | 16.4 (13.9, 19.9) | 20.0 (15.7, 26.3) | 20.0 (16.0, 25.1) |
| Baseline lung function | |||||
| Rrs6 (hPa/s/l) | 7.69 (5.53, 11.78) | 9.03 (6.66, 11.30) | 11.12 (8.16, 14.29) | 8.17 (5.67, 13.06) | 8.03 (5.65, 12.84) |
| Xrs6 (hPa/s/l) | −2.83 (−4.88, −1.36) | −3.51 (−5.23, −2.24) | −4.90 (−6.78, −3.43) | −3.18 (−5.67, −1.44) | −3.12 (−5.44, −1.42) |
| Rrs8 (hPa/s/l) | 7.58 (5.54, 10.68) | 8.94 (6.45, 11.34) | 10.49 (7.61, 13.31) | 8.06 (5.69, 13.08) | 7.84 (5.66, 12.69) |
| Xrs8 (hPa/s/l) | −2.44 (−4.52, −1.51) | −2.82 (−5.66, −1.50) | −4.08 (−5.74, −2.73) | −2.50 (−5.55, −1.01) | −2.35 (−5.10, −1.13) |
| Rrs10 (hPa/s/l) | 7.17 (5.44, 10.37) | 8.32 (6.15, 10.52) | 9.66 (7.19, 11.79) | 7.67 (5.47, 11.80) | 7.42 (5.42, 11.36) |
| Xrs10 (hPa/s/l) | −2.57 (−4.65, −1.46) | −2.75 (−5.10, −1.40) | −4.03 (−5.86, −2.46) | −2.44 (−5.28, −1.04) | −2.46 (−5.24, −1.06) |
Continuous data are represented as median (10th, 90th percentile) values. Numbers in bold indicate a significant difference compared with the healthy group (Mann‐Whitney test for each group, p<0.05).
CF, cystic fibrosis; nCLD, neonatal chronic lung disease; Rrs6, Rrs8, Rrs10, respiratory resistance at 6, 8 and 10 Hz; Xrs6, Xrs8, and Xrs10, respiratory reactance at 6, 8 and 10 Hz.