Table 4

Red blood cell (RBC) 6-thioguanine nucleotide (6-TGN) concentrations

  • 4-150 Six patients did not undergo TPMT testing.

  • 4-160 Patients with intermediate TPMT activity levels were more likely to have high whole blood 6-TGN concentrations (p=0.002).

  • IBDQ, inflammatory bowel disease questionnaire.