Table 2.
Patient characteristics and clinical information.
| All patients invited for review (n = 205) | |
|---|---|
| Number of males (%) | 116 (56.6%) |
| Median age (IQR) | 10 (8–13) |
| Ethnicity (%) | |
| White | 92 (44.9) |
| Black | 9 (4.4) |
| Asian | 72 (35.1) |
| Other/mixed | 32 (15.6) |
| Adherence | |
| Quartile 1–0 to 24% | 74 (36.1) |
| Quartile 2–25 to 49% | 72 (35.1) |
| Quartile 3–50 to 74% | 29 (14.1) |
| Quartile 4–75 to 100% | 30 (14.6) |
| All patients attending (n = 130) | |
| Males (%) | 79 (61) |
| Median age (IQR) | 9 (8 to 12) |
| Adherence | |
| Quartile 1–0 to 24% | 38 (29.2) |
| Quartile 2–25 to 49% | 49 (37.7) |
| Quartile 3–50 to 74% | 22 (16.9) |
| Quartile 4–75 to 100% | 21 (16.2) |
| Median asthma control score (IQR) | |
| CACT | 21.5 (19–24) |
| ACT | 20.0 (16.75–23) |
| Number of patients with ACT/cACT <20 (%) | 49 (37.7%) |
| Mean FEV1 % Predicted (SEM)* | 93.3 (1.17) |
| Mean FEV1 z-score (SEM)* | −0.56 (0.10) |
| Mean FEV1/FVC (SEM)* | 0.90 (0.01) |
| Mean FEV1/FVC z-score (SEM)* | 0.45 (0.13) |
| Number of children with BDR ≥ 12% (%)* | 21 (18.1%) |
| Median FeNO (IQR)** | 38 (13–56) |
| Number of children with FeNO ≥ 35 ppb (%) | 36 out of 65 (55.1%) |
| Adherence quartile | |||||
|---|---|---|---|---|---|
| Quartile 1 (0–24%) N = 38 |
Quartile 2 (25–49%) N = 49 |
Quartile 3 (50–74%) N = 22 |
Quartile 4 (75–100%) N = 21 |
P value | |
| Median ACT (IQR) | 21 (18.5–23.5) | 20 (15.5–22.5) | 19(17–24) | 17 (10.5–21) | 0.381 |
| Median CACT (IQR) | 21 (19–24) | 21 (17–24) | 21 (19–23) | 23 (16–24) | 0.972 |
| Mean FEV1 % Predicted (SEM)a | 93.9 (2.57) | 91.3 (1.85) | 95.1 (2.49) | 95.1.8 (2.70) | 0.560 |
| Mean FEV1 z-score (SEM) | −0.52 (0.21) | −0.72 (0.15) | −0.40 (0.20) | −0.41 (0.22) | 0.544 |
| Mean FEV1/FVC (SEM)a | 0.90 (0.01)) | 0.90 (0.01) | 0.88 (0.02) | 0.93 (0.01) | 0.306 |
| Mean FEV1/FVC z-score (SEM)a | 0.39 (0.29) | 0.57 (0.22) | −0.00 (0.29) | 0.80 (0.24) | 0.301 |
| Number of children with BDR ≥ 12% (%)a | 8/28 (28.6%) | 10/48 (20.8%) | 2/22 (9.1%) | 1/18 (5.6%) | 0.143 |
| Median FeNO (IQR)b | 46.5 (17–56) | 46 (10–75.75) | 18 (12.25–39.5) | 36 (14–48) | 0.352 |
| Number of children with FeNO ≥ 35 ppb (%)b | 12/18 (66.7%) | 15/28 (53.6%) | 4/10 (40%) | 5/9 (55.6%) | 0.589 |
aSpirometry and BDR data available from 116 children.
bFeNO from 65 children.