“…Studies on the economic burden or costs of prostate cancer were mainly focused on the United States, Europe countries (Sanyal et al, 2013;Smith-Palmer et al, 2019), or other developed countries (Grover et al, 1999;Grover et al, 2000;Krahn et al, 2010;Kitazawa et al, 2015;Mervin et al, 2017;Satoh et al, 2018). Only a few studies described the medical expenditure of Chinese patients with metastatic prostate cancer and presented a high prevalence of bone metastasis among Chinese prostate cancer patients (Qian et al, 2019;Zhuo et al, 2019). However, evidence on health care utilization and medical expenditure focused on prostate cancer has been absent in China.…”