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Table 1 Baseline demographics and clinical characteristics of IPF and non-IPF ILD from institutional registry

From: Characteristics of lung cancer among patients with idiopathic pulmonary fibrosis and interstitial lung disease – analysis of institutional and population data

Variables IPF Non-IPF ILD p-values
patients Results patients Results
Age at diagnosis (years) 1108 69 (62–75) 841 59 (50–68) < 0.001
Gender (% male) 1108 652 (59%) 841 318 (38%) < 0.001
Ethnicity (% Caucasian) 1108 1007 (91%) 841 712 (85%) < 0.001
Smoking – Never 1054 361 (34%) 443 193 (44%) < 0.001
Former 655 (62%) 224 (51%)
Current 38 (4%) 26 (6%)
Prevalence of lung cancer 1108 31 (2.8%) 841 16 (1.9%) 0.20
Mortality over observation period (%) 1108 515 (47%) 841 104 (12%) < 0.001
  1. Definition of abbreviations: IPF idiopathic pulmonary fibrosis, ILD interstitial lung disease. Mortality based on patient records as deceased at the time of the review of the registry data