Fig. 1From: Observation versus treatment among men with favorable risk prostate cancer in a community-based integrated health care system: a retrospective cohort studyPatient Selection Flow Chart. PSA: prostate specific antigen; PCa: prostate cancer; ICD: international classification of diseases; OBS: observation strategies; IMT: immediate treatment. *Cohorts were defined as receiving any treatment (IMT) or no treatment (OBS) within 6 months after index PCa diagnosisBack to article page