Pseudomonas aeruginosa incidence rates, study activity and age according to P. aeruginosa status
| P. aeruginosa status | Recruits | Age years median (IQR) | Study activity | P. aeruginosa incidence cases per patient-year (95% CI) | |
| Total visits | Visits per patient-year median (IQR) | ||||
| Never | 113 | 6.4 (4.0–10.9) | 962 | 4.5 (3.1–5.4) | 0.15 (0.10–0.22) |
| FF | 99 | 8.1 (5.3–12.5) | 910 | 5.0 (3.7–5.6) | 0.19 (0.13–0.27) |
| FFT | 21 | 13.1 (10.6–15.5) | 214 | 5.9 (3.2–6.5) | 0.41 (0.20–0.73) |
| Total | 233 | 8.0 (5.0–12.2) | 2086 | 4.8 (3.1–5.6) | 0.19 (0.15–0.23) |
Data are presented as n unless otherwise stated. IQR: interquartile range; FF: Free From; FFT: Free From But Treated.