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. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: Eur J Radiol. 2020 May 18;129:109073. doi: 10.1016/j.ejrad.2020.109073

Table 3.

Comparisons of overall survival among the subjects in subgroups stratified by ILA and TBI status, using the log-rank test with Bonferroni correction

No ILA TBI-0 (ILA without traction bronchiectasis/bronchiolectasis) TBI-1 (ILA with traction bronchiolectasis) TBI-2 (ILA with mild/moderate traction bronchiectasis) TBI-3 (ILA with severe traction bronchiectasis/honeycombing)
No ILA _ _ _ _ _
TBI-0 (ILA without traction bronchiectasis/ bronchiolectasis) 1 _ _ _ _
TBI-1 (ILA with traction bronchiolectasis) 2.0×10−15 0.001 _ _ _
TBI-2 (ILA with mild/moderate traction bronchiectasis) <2.0×10−16 1.9×10−5 1 _ _
TBI-3 (ILA with severe traction bronchiectasis/ honeycombing) <2.0×10−16 1.5×10−10 4.6×10−5 0.0086 _

ILA, interstitial lung abnormality; TBI, Traction bronchiectasis index