Table 4.
Risk of infection is increased for 'Minimal' CFTR function using any definition of infection with Pseudomonas aeruginosa, mucoid Pseudomonas aeruginosa and Aspergillus fumigatus.
Total Positive (n included in analysis) |
'Minimal' Function (% of class positive) |
'Residual' Function (% of class positive) |
Adjusted Hazards Ratioa | |
---|---|---|---|---|
FirstInfx Pa | 318 (436) | 278 (79.4%) | 40 (46.5%) | 3.17 (2.10, 4.78) |
ChronInfx Pa | 127 (436) | 118 (33.7%) | 9 (10.5%) | 5.47 (2.20, 13.58) |
MultiInfx Pa | 229 (436) | 206 (58.9%) | 23 (26.7%) | 3.81 (2.32, 6.28) |
PersInfx Pa | 228 (436) | 203 (58.0%) | 25 (29.1%) | 3.32 (2.00, 5.50) |
FirstInfx MPa | 492 (919) | 453 (56.3%) | 39 (33.9%) | 2.93 (2.09, 4.09) |
ChronInfx MPa | 230 (919) | 217 (27.0%) | 13 (11.3%) | 3.85 (2.00, 7.39) |
MultiInfx MPa | 381 (919) | 354 (44.0%) | 27 (23.5%) | 3.11 (2.09, 4.62) |
PersInfx MPa | 371 (919) | 345 (42.9%) | 26 (22.6%) | 3.14 (2.06, 4.76) |
FirstInfx Asp | 451 (1090) | 427 (44.0%) | 24 (20.0%) | 3.77 (2.24, 6.35) |
ChronInfx Asp | 89 (1090) | 88 (9.1%) | 1 (0.8%) | 18.97 (3.73, 96.43) |
MultiInfx Asp | 252 (1090) | 237 (24.4%) | 15 (12.5%) | 3.22 (1.73, 5.98) |
PersInfx Asp | 254 (1090) | 243 (25.1%) | 11 (9.2%) | 4.83 (2.47, 9.46) |
Definition of abbreviations: Pa: Pseudomonas aeruginosa, MPa: mucoid Pseudomonas aeruginosa, Asp: Aspergillus fumigatus, FirstInfx: one positive culture for the organism; MultiInfx: three or more positive cultures for the organism; PersInfx: at least one positive culture for the organism in two of three consecutive years; ChronInfx: three positive cultures within 6 months each positive culture at least 1 month from the last positive culture.
a: Adjusted for FEV1BeforeInfx and number of cultures.