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. 2021 Apr 20;6(4):100707. doi: 10.1016/j.adro.2021.100707

Table 1.

Patient and tumor characteristics

PC (n = 1891) No PC (n = 330) P value
(n, %) (n, %)
Mean age (SD) 72.1 (8.6) 72.1 (8.6) .96
Sex .38
 Male 1841 (97.4) 324 (98.2)
 Female 50 (2.6) 6 (1.8)
Clinical T < .0001
 T1 1444 (76.4) 294 (89.1)
 T2a 447 (23.6) 36 (10.9)
Histology NA
 Adenocarcinoma 828 (43.5) NA
 Squamous cell 21 (1.1) NA
 Mixed 784 (41.5) NA
 Large cell 16 (0.9) NA
 Other 242 (12.8) NA
Grade NA
 1 95 (5.0) NA
 2 281 (14.9) NA
 3-4 344 (18.1) NA
 Unknown 1171 (61.9) NA
Charlson index .61
 0 200 (10.6) 30 (9.1)
 1 719 (38.0) 131 (39.7)
 2 230 (12.2) 35 (10.6)
 3 387 (21.0) 65 (19.7)
 ≥4 345 (18.2) 69 (20.9)
Smoking status .18
 Current 987 (52.2) 171 (51.8)
 Former 808 (42.7) 151 (45.8)
 Never 43 (2.3) 3 (0.9)
 Unknown 53 (2.8) 5 (1.5)
Histoplasmosis belt < .0001
 Yes 739 (39.1) 89 (27.0)
 No 1,152 (60.9) 241 (73.0)
Workup
 PET 1773 (93.8) 315 (95.5) 0.23
 Biopsy NA 134 (40.6) NA
 EBUS 301 (15.9) 42 (12.7) 0.14

Abbreviations: EBUS = endobronchial ultrasound; PC = pathologic confirmation; PET = positron emission tomography; SD = standard deviation.

Histoplasmosis belt includes: Alabama, Arkansas, Iowa, Illinois, Indiana, Kansas, Kentucky, Maryland, Mississippi, Nebraska, Oklahoma, Tennessee, Texas, Virginia, West Virginia, Washington DC.1