BUB1B and neoplasm: According to the data from 427 OV samples and corresponding 88 normal samples, the average mRNA expression level of the 6 hub genes was as follows: ASPM (Tumor: Normal = 2.396 ± 0.772 : 0.203 ± 0.234, P < 0.001); CDC20 (Tumor: Normal = 5.831 ± 1.001 : 0.676 ± 0.539, P < 0.001); DLGAP5 (Tumor: Normal = 3 ± 0.897 : 0.224 ± 0.376, P < 0.001); BUB1B (Tumor: Normal = 2.921 ± 0.846 : 0.53 ± 0.368, P < 0.001); CDCA8 (Tumor: Normal = 3.827 ± 0.983 : 0.63 ± 0.318, P < 0.001); NCAPG (Tumor: Normal = 2.757 ± 0.853 : 0.332 ± 0.301, P < 0.001).