Fig. 4From: Development and validation of a model to estimate the risk of acute ischemic stroke in geriatric patients with primary hypertensionCalibration curve of the nomogram. Notes: The x-axis represents the risk predicted by the nomogram. The y-axis represents the patients diagnosed with acute ischemic stroke. The diagonal dotted line represents a perfect prediction by an ideal model. The apparent line represents the performance of the nomogramBack to article page