• Hani Almalki, Ahmed Absi, Abdulrahman Alghamdi, Mohammed Alsalmi, and Muhammad Khan.
• College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia.
• JAMA Netw Open. 2020 Mar 2; 3 (3): e200341.

ImportanceThe treatment plans of patients with cancer involve multiple modalities that oncologists need to explain to patients. One such modality is chemotherapy, in which information about the goals, duration, and expected complications of therapy are considered fundamental to achieving optimal patient understanding. Therefore, effective communication between patients and their treating physicians is important to ensure patient adherence to treatment and achieve better outcomes.ObjectiveTo investigate the concordance in the understanding of chemotherapy treatment plans between patients and their treating oncologists and to identify the potential factors associated with concordance.Design, Setting, And ParticipantsA cross-sectional study was conducted among adult patients (aged >18 years) with cancer who consented to receive chemotherapy between October 4, 2017, and November 8, 2018. The study also included the treating oncologists of patients receiving chemotherapy. An interview-based structured questionnaire was administered in both inpatient and outpatient settings at the Princess Noorah Oncology Center in Jeddah, Saudi Arabia. The demographic data of patients and physicians were obtained from the ARIA Oncology Information System, a chemotherapy-prescribing software database used at the center. Patients who had a personal history of cancer or were unwilling to be involved in the decision-making process were excluded. Data were analyzed from November 15 to December 20, 2018.ExposuresPatients' comprehension and concordance with their treating physicians regarding the aspects of the intended treatment plan.Main Outcomes And MeasuresThe main outcomes measured were the patient-physician concordance level in the understanding of treatment plans and the identification of patient-related and physician-related factors associated with the level of concordance.ResultsA total of 151 adult patients (77 men [51.0%] and 74 women [49.0%]) were interviewed. Of those, 144 patients (75.5%) were younger than 60 years, and 52 patients (34.4%) had a college or advanced degree. A total of 20 treating oncologists were interviewed, of whom 14 (70.0%) were men and 6 (30.0%) were women. Arabic was the primary language of 19 oncologists (95.0%), and 19 oncologists (95.0%) had medical practice experience outside of Saudi Arabia. Only 20 patients (13.7%) had full concordance with their physicians regarding the aspects of their treatment plans. The remaining 131 patients (86.2%) had discordance with 1 or more aspect of their treatment plans. The most common aspect of discordance was the planned duration of the chemotherapy regimen, with 104 patients (68.4%) having full discordance. Full patient-physician concordance was more likely among patients with college or advanced degrees (χ21 = 17.73; P < .001) and patients with a family history of cancer (χ21 = 15.88; P < .001). In addition, older physicians (>40 years) compared with younger physicians (aged 30-40 years) were more likely to achieve higher rates of full patient-physician concordance, whereas older patients (>60 years) were associated with only partial concordance compared with patients younger than 60 years (χ21 = 5.84; P = .008), with an AR of 2.7.Conclusions And RelevanceMost patients showed suboptimal understanding of aspects of their chemotherapy treatment plans. More effort and time should be dedicated to enhancing the understanding of chemotherapy plans among patients with lower educational levels. In addition, self-report surveys that evaluate patients' understanding of their chemotherapy treatment plans should be developed and added to the informed consent process to objectively assess how much a patient understands and to develop a stepwise patient education program that targets patients with the lowest levels of understanding.

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