Figure 1From: Redundant causation from a sufficient cause perspectiveSufficient component causal (SCC) model with five sufficient causes of disease. Disease may result from: (1) the presence of both E and U1; or (2) the presence of both U2 and U3; or (3) the presence of both U1 and U4; or (4) the presence of U5; or (5) the absence of E (i.e. the complement of E, EC) and the presence of U6.Back to article page