Subject demographics and full blood counts
| Controls# | Recurrent PBB# | Recurrent PBB¶ | Bronchiectasis# | |
| Subjects n | 20 | 20 | 13 | 20 |
| Age years | 2.2 (0.3–4.5) | 1.6 (0.9–2.8) | 3.2 (1.6–6.1) | 3.1 (2.1–5.0) |
| Boys n | 15 (75%) | 16 (80%) | 9 (70%) | 14 (70%) |
| Cough score | NA | 3 (1–3) | 3 (1–4) | 2 (1–3) |
| Full blood count ×106 L−1 | ||||
| Total cell count | 8.90 (8.18–10.2) | 11.0 (9.05–12.2) | 9.30 (8.25–10.3) | 9.60 (7.70–11.8) |
| Neutrophils | 2.88 (1.69–3.72) | 3.63 (2.49––4.96) | 2.55 (2.13–3.09) | 2.96 (2.44–4.26) |
| Monocytes | 0.80 (0.59–1.02) | 1.09 (0.78–1.16) | 0.71 (0.63–0.94) | 0.84 (0.69–0.96) |
| Eosinophils | 0.34 (0.12–0.67) | 0.38 (0.19–0.59) | 0.22 (0.17–0.67) | 0.35 (0.24–0.74) |
| Lymphocytes | 4.82 (3.81–5.87) | 5.32 (4.04–6.60) | 4.97 (3.99–5.97) | 4.51 (3.83–5.81) |
Data are presented as median (interquartile range) unless otherwise stated. PBB: protracted bacterial bronchitis; IQR: interquartile range; NA: not applicable. #: figures 1 and 2; ¶: figures 3 and 4.