Table 1.

Clinical characteristics of the patients cohort by ethnicity

HistologyCaucasian (%)Asian (%)Total (%)
ADC76 (67.2)455 (98.2)531 (92.2)
ADC NOS20 (17.7)020 (3.5)
AIS14 (12.4)3 (0.7)17 (3.0)
MIA2 (1.8)4 (0.9)6 (1.0)
ADC-SCC1 (0.9)1 (0.2)2 (0.3)
Gender
 Female88 (77.9)324 (70.0)412 (71.5)
 Male25 (22.1)139 (30.0)164 (28.5)
Smoking
 Never Smoker71 (62.8)374 (80.8)445 (77.3)
 Light Smoker39 (34.5)31 (6.7)70 (12.2)
 Former/current smoker3 (2.7)58 (12.5)61 (10.6)
Stage
 Early (I–IIIA)20 (17.7)362 (78.2)382 (66.3)
 Advanced (IIIB–IV)1 (0.9)47 (10.1)48 (8.3)
 N/A92 (81.4)54 (11.7)146 (25.4)

NOTE: Never Smoker, people who smoked <100 cigarettes/lifetime; Light Smoker, people who smoked ≤10 pack years; Former/Current Smoker, people who smoked >10 pack-years.

Abbreviations: ADC, adenocarcinoma; ADC-NOS, adenocarcinoma non-otherwise specified; ADC-SCC, adeno-squamous carcinoma; AIS, adenocarcinoma in situ; MIA, minimally invasive adenocarcinoma.