Elderly patients who use 4 or more drugs are at a higher risk of falling than elderly patients who use less than 4 drugs, in which, OR = 3.36 (95% CI: 1.16 - 9.73), p = 0.03; Elderly patients who use blood pressure drugs have a higher risk of falling than patients who do not use blood pressure drugs, in which, OR = 7.818 (95% CI: 2.77 - 2.09), p <0.001; Elderly patients who are assigned to physical therapy are at a higher risk of falling than patients who do not practice physical therapy, in which, OR = 6.05 (95% CI: 1.99 - 8.33), p = 0.01.