Fig. 1From: Efficacy, safety and drug survival of thioguanine as maintenance treatment for inflammatory bowel disease: a retrospective multi-centre study in the United KingdomDrug survival of TG in 193 patients, showing the time to TG withdrawal/censoring in months per hospital. Median treatment duration of TG was 23 months. The differences between the curves were not significantly different (p = 0.12, Mantel-Cox test)Back to article page