Figure 2. Urinary AG31 levels are elevated in bladder cancers in the test and validation groups. (A) Urinary AG31 levels for test groups. (B) Urinary AG31 levels for validation groups. Black horizontal lines are means, and error bars are SEs. Urinary AG31 levels were measured with RLU (relative light unit). HC, healthy control; BC, bladder cancer; RCC, renal cell carcinoma; PC, prostate cancer. (C) ROC curves for all patients with bladder cancer versus all controls in the test groups. (D) ROC curves for all patients with bladder cancer versus all controls in the validation groups. Jagged curves denote ROC curves; diagonal lines represent reference lines. HC, healthy control; BC, bladder cancer; RCC, renal cell carcinoma; PC, prostate cancer.