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Fig. 1 | BMC Medical Informatics and Decision Making

Fig. 1

From: How to measure temporal changes in care pathways for chronic diseases using health care registry data

Fig. 1

States and state transitions in Prostate Cancer data Base of SwedenSim (PCBaSeSim). State transition model of transitions (arrows) between states (circles) for men diagnosed with prostate cancer. The states are active surveillance (AS), watchful waiting (WW), curative treatment; radical prostatectomy (RP) or radiotherapy (RT), adjuvant or salvage radiotherapy following RP (RT-adj/salv), androgen deprivation therapy (ADT), death from other causes, and prostate cancer death. Dashed lines represent the choice of primary treatment following diagnosis (not part of the model), solid lines are transitions included in the models. Multi-colored circles represent transient states with colors indicating the proportion of men with increasing disease risk categories defined by data at date of diagnosis. Orange circles represent absorbing states. Dashed circles represent additional information gathered to facilitate estimates of transition probabilities, i.e. biopsy and Charlson Comorbidity Index (CCI). Risk categories are defined in detail in the Additional file 1

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