 Introduction: Pain and depression are both often found in cancer patients and the relationship between these symptoms has been widely investigated.  Objective: This study aimed to determine the relationship of depression level (Patient Health Questionnaire – 9) to the degree of pain (Visual Analog Scale) in cancer patients in Haji Adam Malik Hospital, Medan.  Method: This study is a quantitative analytic study with a cross-sectional design. The study was conducted at Haji Adam Malik Hospital (RSUP HAM) from March to April 2019. The total sample obtained was 107. Data collection used the PHQ – 9 and VAS questionnaires.  Results: From the results, the most severe PHQ – 9 depression scores were found to have severe pain levels of 80% and for moderate to severe depression also had the most severe pain levels at 60%. Whereas for minimal depression, mild depression, and moderate depression were had the moderate pain level with each 87.5%, 60%, and 52.3%. Statistically there is a significant relationship of depression level (patient health questionnaire – 9) to the degree of pain (visual analog scale) in cancer patients with a value of p = 0.008 (<0.05).  Conclusions: There is a strong correlation between the level of depression (patient health questionnaire – 9) to the degree of pain (visual analog scale) in cancer patients with values.

Keywords : Depression (Patient Health Questionnaire – 9), Degree of Pain (Visual Analog Scale), Cancer.