| Gaia: | <p><strong>Objective </strong>To summarize the clinical characteristic of stroke in the plateau area with altitude of 4000 m above, and to screen the risk factors of hemorrhagic stroke. <strong>Methods</strong> The clinical data of 103 stroke patients (including 71 hemorrhagic stroke and 32 ischemic stroke) admitted to Ngari Prefecture People's Hospital of Tibet Autonomous Region from January 2017 to December 2018 were retrospectively analyzed, and the clinical characteristic of hemorrhagic stroke and ischemic stroke were compared. Univariate and multivariate Logistic regression analyses were used to screen the risk factors of hemorrhagic stroke. <strong>Results </strong>The age of hemorrhagic stroke patients was lower than that of ischemic stroke patients [(57.48 ± 10.81) years vs. (64.03 ± 10.96) years; t = 2.836, P = 0.006], and the systolic blood pressure at admission [(171.92 ± 28.95) mm Hg vs. (141.81 ± 23.24) mm Hg; t = 5.174, P = 0.000], diastolic blood pressure [(107.58 ± 18.76) mm Hg vs. (93.44 ± 14.94) mm Hg; t = 3.757, P = 0.000], hemoglobin [(189.54 ± 28.12) g/L vs. (165.35 ± 25.42) g/L; t = 4.111, P = 0.000] and total cholesterol [(4.60 ± 0.88) mmol/L vs. (4.04 ± 0.82) mmol/L; t = 3.118, P = 0.002] were higher than those of ischemic stroke patients. Logistic regression analysis showed that systolic blood pressure on admission (OR = 1.048, 95%CI: 1.024-1.073; P = 0.000) and hemoglobin (OR = 1.043, 95%CI: 1.015-1.072; P = 0.002) elevation were risk factors of hemorrhagic stroke. <strong>Conclusions </strong>Hemorrhagic stroke is the main type of stroke in the plateau area with altitude of 4000 m above. Patients with high systolic blood pressure on admission and hemoglobin are more likely to have hemorrhagic stroke.
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