Fig. 1From: The effect of physician density on colorectal cancer stage at diagnosis: causal inference methods for spatial data applied on regional-level dataa. Municipality-level relative risk rates for late-stage CRC, 2012–2020, Norway (The risk rate is defined as the ratio between the number of observed and expected CRC cases in a municipality). b. Municipality-level physician density per 100,000 people, 2011, Norway (Physician density is defined as the number of physicians per 100,000 inhabitants in a municipality)Back to article page