Table 3: The criteria of lung cancer histological diagnosis.

CriteriaCorrect classification/total

NSCLCSCC ≥ 2 ng/mL and ProGRP < 100 pg/mL [1]
SCC < 2 ng/mL and ProGRP < 100 pg/mL and CYFRA21-1 > 3.3 ng/mL [2]
SCC < 2 ng/mL and ProGRP < 100 pg/mL and CEA > 5 ng/mL [3]
233/238 (97.89%)
492/530 (92.83%)
403/423 (95.27%)

SCLCSCC < 2 ng/mL and ProGRP ≥ 100 pg/mL and NSE ≥ 35 ng/mL [4]
SCC < 2 ng/mL and ProGRP > 150 pg/mL [5]
32/35 (91.42%)
57/63 (90.48%)

AdenocarcinomaSCC < 2 ng/mL and ProGRP < 100 pg/mL and CEA > 5 ng/mL [3]363/423 (85.81%)

Squamous carcinoma[1] and CA125 < 100 U/mL and CYFRA21-1 ≥ 3.3 ng/mL [6]120/151 (79.47%)