Some single NMRGs (NNMT, NAMPT, NMNAT1, NMRK1, PNP, and PARP1) displayed a good diagnostic power for discriminating HPV status of HNSCC (Table S2) and were differentially expressed between HPV-negative and HPV-positive groups (Figure 7). The gene discussed is NMNAT1; the disease is head and neck squamous cell carcinoma.