Key: APPBP2, amyloid beta precursor protein (cytoplasmic tail) binding protein 2; CI, confidence interval; ERCC1, excision repair cross-complementation group 1; GAPDH, glyceraldehyde-3-phosphate dehydrogenase; HR, hazard ratio; IHC, immunohistochemistry; NSCLC, non-small cell lung cancer; pt(s), patient(s); ref, reference; RT-PCR, reverse transcription polymerase chain reaction. Here, GAPDH is linked to non-small cell lung carcinoma.