HUBUNGAN SELF CARE MANAGEMENT DENGAN KUALITAS HIDUP PADA PASIEN PENYAKIT JANTUNG KORONER DIRUANGAN NS 5B RS GRANDMED LUBUK PAKAM TAHUN 2025

This study used a quantitative research design with a cross-sectional approach. The sample in this
study amounted to 51 respondents selected using slovin techniques according to inclusion and exclusion criteria. The research instrument used a self-care management questionnaire and the WHOQoL-BREF questionnaire to assess the quality of life of patients. Data analysis was performed using the Chi-Square test with a significance level of α = 0.05. Results: The study showed that the majority of respondents had moderate self-care management (47.1%) and good quality of life (47.1%). Chi-square test results showed a significant relationship between self-care management and quality of life in coronary heart disease patients (p =0.000). Conclusion: There is a significant relationship between self-care management and quality of life in coronary heart disease patients in Ward NS 5B, Grandmed Hospital, Lubuk Pakam, in 2025.