Pulmonary function* characteristics of cohort (n=370)†
| At baseline | TB (n=185) | No TB (n=185) | Difference (95% CI) in means (TB vs no TB) |
| FEV1 (l) | |||
| Mean (SD) | 3.41 (0.59) | 3.41 (0.50) | 0.00 (−0.11 to 0.12) |
| FVC (l) | |||
| Mean (SD) | 4.11 (0.57) | 4.12 (0.55) | −0.01 (−0.12 to 0.11) |
| FEV1/FVC (%) | |||
| Mean (SD) | 82.87 (8.02) | 82.94 (6.12) | −0.07 |
| Median (IQR) | 84.13 (9.70) | 83.30 (8.38) | (−1.53 to 1.40) |
| At follow-up | |||
| FEV1 (l) | |||
| Mean (SD) | 2.87 (0.67) | 3.07(0.52) | −0.20 |
| Median (IQR) | 2.91 (0.98) | 3.09 (0.62) | (−0.32 to −0.08) |
| FVC (l) | |||
| Mean (SD) | 3.86 (0.67) | 4.07 (0.56) | −0.21 (−0.34 to −0.08) |
| FEV1/FVC (%) | |||
| Mean (SD) | 74.18 (10.63) | 75.50 (7.70) | 1.32 |
| Median (IQR) | 76.52 (12.22) | 76.79 (8.19) | (−0.60 to 3.22) |
| Lung function loss | |||
| ΔFEV1 (ml) | |||
| Mean (SD) | 541.1 (354.9) | 343.0 (294.3) | 198.1 |
| Median (IQR) | 516.0 (397.5) | 344.0 (310.0) | (131.3 to 264.7) |
| ΔFEV1 (ml/year) | |||
| Mean (SD) | 119.3 (80.3) | 72.2 (62.5) | 47.1 |
| Median (IQR) | 116.1 (86.0) | 71.7 (61.3) | (32.4 to 61.9) |
| ΔFVC (ml) | |||
| Mean (SD) | 255.8 (387.5) | 52.9 (297.2) | 202.9 |
| Median (IQR) | 233.6 (425.0) | 70.8 (347.1) | (132.3 to 373.5) |
| ΔFVC (ml/year) | |||
| Mean (SD) | 56.1 (85.6) | 9.7 (64.6) | 46.4 |
| Median (IQR) | 51.7 (93.2) | 14.5 (74.8) | (30.9 to 61.9) |
| ΔFEV1/FVC (%) | |||
| Mean (SD) | 8.69 (7.12) | 7.45 (5.97) | 1.25 |
| Median (IQR) | 7.93 (7.00) | 7.04 (4.71) | (−0.01 to 2.50) |
| ΔFEV1/FVC (%/year) | |||
| Mean (SD) | 1.93 (1.65) | 1.60 (1.07) | 0.33 |
| Median (IQR) | 1.79 (1.69) | 1.46 (0.96) | (0.05 to 0.62) |