Figure 1
From: Towards a data-driven system for personalized cervical cancer risk stratification

Cervical cancer screening data characteristics. Left: A Lexis diagram illustrating screening histories. Each history is depicted as a gray line spanning from the first to the last visit. Visits are indicated by a marker for the exam type (histology and cytology) and colored by the exam result. Middle: A histogram of the time between visits. Right: The proportion of female states (normal in blue, low-grade in orange and high-grade in red) in three age intervals.