Background
Methods
CONVERT trial
Secondary TTP data analysis
Results
Participants
Characteristic | Intention-to-treat analysis population in CONVERT trial (N = 336) | At least one screening time to positivity value (N = 71) |
---|---|---|
Age in years, mean (SD) | 64.7 (9.77) | 65.6 (8.62) |
Race: white, n (%) | 235 (69.9) | 62 (87.3) |
Sex: female, n (%) | 233 (69.3) | 45 (63.4) |
Baseline body mass index (kg/m2), mean (SD) | 21.17 (3.875) | 21.23 (3.870) |
Tobacco use: current smoker, n (%) | 36 (10.7) | 13 (18.3) |
Lung disease, n (%) | ||
COPD | 48 (14.3) | 24 (33.8) |
Bronchiectasis | 211 (62.8) | 26 (36.6) |
COPD and bronchiectasis | 40 (11.9) | 11 (15.5) |
Duration of NTM disease in years, mean (SD) | 5.7 (5.07) | 4.9 (4.95) |
Duration of NTM treatment prior to study enrollment in years, mean (SD) | 3.9 (3.9) | 3.9 (4.0) |
Assigned treatment in CONVERT trial | ||
ALIS plus guideline-based therapy, n (%) | 224 (66.7) | 43 (60.6) |
Guideline-based therapy only, n (%) | 112 (33.3) | 28 (39.4) |
Conversion of sputum cultures to negative by month 6, n (%) | 75 (22.3) | 10 (14.1) |
Within-participant reproducibility of TTP measures
Association of screening TTP with culture conversion
Time to positivity value analyzed | Converter status | N | Median | Inter-quartile range | Range | Mean | Standard deviation |
---|---|---|---|---|---|---|---|
Shortest | Any | 71 | 4.5 | 3.6 | 2.1, 24.6 | 6.0 | 4.1 |
Yes | 10 | 10.5* | 9.4 | 4.5, 24.6 | 11.2 | 6.4 | |
No | 61 | 4.2* | 2.8 | 2.1, 13.8 | 5.2 | 2.9 | |
Longest | Any | 71 | 7.0 | 4.8 | 2.5, 24.6 | 7.9 | 4.6 |
Yes | 10 | 10.9† | 7.0 | 5.8, 24.6 | 12.1 | 5.6 | |
No | 61 | 6.3† | 4.3 | 2.5, 22.4 | 7.2 | 4.1 |