IGFBP2 and neoplasm: Regarding clinical characteristics, as shown in Figures S1–S3, high IGFBP2 expression was significantly correlated with age (HR = 2.09, 95% CI = 1.04–4.21) and larger tumor size (HR = 1.03, 95% CI = 1.02–1.04), but not sex (HR = 1.12, 95% CI = 0.69–1.84).