Inclusion Criteria:  Written and verbal consent was obtained to participate in the research,  18 years and over, Conscious, oriented and cooperative, Able to speak and understand Turkish, Not diagnosed with any psychiatric illness, No known cancer disease, Elective surgical intervention applied, Total knee replacement applied for the first time, Unilateral total knee replacement applied, Patients with an Standardized Mini-Mental Test score of 23 and above were included.  Exclusion Criteria:  To research:  Those who do not agree to participate in the research, Under 18 years old, Unconscious, without orientation and cooperation, Can't speak or understand Turkish, Having previously been diagnosed with a psychiatric diagnosis, Having a history of cancer, Emergency surgical intervention applied, Total knee replacement applied before, Bilateral (bilateral) total knee replacement applied, Patients with an Standardized Mini-Mental Test value below 23 were not included.