Patients with 100% health insurance coverage have an average cost of 11.842±7.977 thousand VND, the median cost is 9.186 thousand VND, higher than the cost of patients with 95%, 80%, 40% coverage, and health insurance coverage. 0% with an average cost of 11.670±8.930 thousand VND, 10.743±7.217 thousand VND, 8.518±5.478 thousand VND, and 9.566±6.363 thousand VND (p<0.05).