In the subgroup analysis of drugs, the three most common drugs that cause kidney stones are Antirheumatics (ROR 2.1, 95% CI 2.06–2.14, PRR 2.1), Parathyroid hormone and analogs (ROR 2.67, 95% CI 2.58–2.76, PRR 2.66), and Antiviral drugs (ROR 2.48, 95% CI 2.39–2.58, PRR 2.48), as shown in Table 5. The gene discussed is PTH; the disease is nephrolithiasis.