Table 3

Cox proportional hazards model using all-cause mortality as an anchor with QLF with cut-off of week 24 changes

QLF changes in whole lungTotal patients (N=152)Total deaths (n=11) (%)HR (95% CI)P value
Continuous*, %1.20 (1.08, 1.34)0.001
Continuous*, mL1.01 (1.01, 1.02)<0.001
Week 24 QLF changes in whole lungTotal patients meeting listed threshold, n (%)Total deaths meeting listed threshold, n (%)HR (95% CI)P value
≥0%118 (78)9 (82)1.48 (0.31, 7.02)0.623
≥0 mL99 (65)9 (82)2.57 (0.55, 12.1)0.232
Thresholds QLF, %
≥1%101 (66)9 (82)4.98 (1.00, 24.8)0.050
≥2%87 (57)8 (73)4.04 (1.06, 15.4)0.041
≥3%66 (43)6 (55)4.69 (1.24, 17.7)0.023
≥4%50 (33)5 (45)4.52 (1.18, 17.3)0.028
QLF volume
≥20 mL84 (55)8 (73)6.37 (1.27, 32.0)0.024
≥22 mL83 (55)8 (73)6.38 (1.27, 32.0)0.024
≥24 mL81 (53)8 (73)6.83 (1.37, 34.2)0.019
≥26 mL80 (53)8 (73)7.63 (1.51, 38.6)0.014
  • Note: Mean change from previously modelled measurement variation of QLF of 0.4% (2.77×2×SD).

  • *The proportional hazards assumption is being examined and met using Schoenfield residuals.

  • QLF, Quantitative Lung Fibrosis score.