Concordance between bronchiectasis on CT and lung function results in children with CF
| No Bronchiectasis (<1) | Bronchiectasis (≥1) | Total | % Concordant (95%CI) | |
| Normal LCI | 5 | 4 | 9 | 77 (64 to 88) |
| Abnormal LCI | 8 | 36 | 44 | |
| Total | 13 | 40 | 53 | |
| Normal FEV1 | 11 | 28 | 39 | 47 (34 to 61) |
| Abnormal FEV1 | 2 | 16 | 18 | |
| Total | 13 | 44 | 57 | |
| Normal FVC | 13 | 34 | 47 | 40 (28 to 54) |
| Abnormal FVC | 0 | 10 | 10 | |
| Total | 13 | 44 | 57 | |
| Normal FEF25-75 | 9 | 23 | 32 | 53 (40 to 66) |
| Abnormal FEF25-75 | 4 | 21 | 25 | |
| Total | 13 | 44 | 57 | |
| Normal FRC | 8 | 19 | 27 | 58 (42 to 72) |
| Abnormal FRC | 0 | 18 | 18 | |
| Total | 8 | 37 | 45 | |
| Normal RV | 8 | 17 | 25 | 61 (44 to 75) |
| Abnormal RV | 0 | 18 | 18 | |
| Total | 8 | 35 | 43 | |
| Normal TLC | 8 | 28 | 36 | 38 (24 to 53) |
| Abnormal TLC | 0 | 9 | 9 | |
| Total | 8 | 37 | 45 | |
| Normal sReff | 12 | 27 | 39 | 51 (37 to 64) |
| Abnormal sReff | 1 | 17 | 18 | |
| Total | 13 | 44 | 57 |