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Table 4 Characteristics of lung cancer in patients with IPF or non-IPF ILD compared to Pennsylvania state data

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

Variables Lung cancer with IPF Lung cancer with non-IPF ILD Lung cancer in general population in Pennsylvania p-value (column 1 vs. 3)
N Results N Results N Results
Laterality 31   16   100,949   0.4
 Left   14 (45%)   7 (44%)   41,745 (41%)  
 Right   16 (52%)   7 (44%)   57,566 (57%)  
 Bilateral   1 (3%)   2 (12%)   1638 (2%)  
Primary site 27   13   85,087   < 0.001
 Upper lobe   8 (27%)   6 (46%)   53,288 (63%)  
 Lower lobe   17 (63%)   6 (46%)   30,422 (36%)  
 Others   2 (7%)   1 (8%)   1377 (2%)  
Histology 27   16   104,954   0.07
 SCC   11 (41%)   3 (19%)   30,596 (29%)  
 Adenocarcinoma   7 (26%)   10 (63%)   49,217 (47%)  
 Other   9 (33%)   3 (19%)   25,141 (24%)  
Stage 29   16   83,994   0.6
 I   9 (31%)   4 (25%)   19,000 (23%)  
 II   2 (7%)   1 (6%)   4312 (5%)  
 III   7 (24%)   6 (38%)   21,730 (26%)  
 IV   11 (38%)   5 (31%)   38,952 (46%)  
  1. Definition of abbreviations: SCC squamous cell cancer, NA not available. Column 1 = Lung cancer with IPF; column 2 = Lung cancer with non-IPF ILD; column 3 = Lung cancer in general population in Pennsylvania