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Fig. 1 | BMC Gastroenterology

Fig. 1

From: Clustering of pediatric onset inflammatory bowel disease in Finland: a nationwide register-based study

Fig. 1

South-North progression of childhood inflammatory bowel diseases in Finland. The first panel considers all subtypes and the second and third consider Crohn’s disease and ulcerative colitis (UC), respectively. All subjects include all patients with UC, Crohn´s diseases and those with no subtype definition. The annual mean values of the geographical latitudes indicating north-south locations of the residencies of cases and controls were compared. A smoothed curve was fitted using local polynomial regression to help with interpretation. Value zero is given when there is no difference in the mean coordinates of the cases compared to controls. Values higher than zero indicate case residencies toward north relative to the control, and values below zero vice versa

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