Introduction: Pulmonary embolism (PE) is a risk of mortality following spine surgery. Many studies have demonstrated that deep venous thrombosis (DVT) may affect and actually advance to PE. but few studies have shown how venous thromboembolism (VTE). including PE and DVT. https://eqylxwrgajz1.wikicorrespondence.com/4843724/a_monthly_high_resolution_net_primary_productivity_dataset_30_m_of_qinghai_plateau_from_1987_to_2021