From: Value of thyroid transcription factor (TTF)-1 for diagnosis and prognosis of patients with locally advanced or metastatic small cell lung cancer
TTF1 +
TTF1 -
p-value*
Entire population
374 (306–441)
290 (191–389)
0.254
Stage IIIA
533 (361–704)
488 (172–803)
0.852
Stage IIIB
512 (413–610)
282 (87–477)
0.506
Stage IV
302 (253–351)
227 (58–396)
0.273