Fig. 4From: Development and validation of a nomogram for postoperative sleep disturbance in adults: a prospective survey of 640 patients undergoing spinal surgeryThe online dynamic nomogram. After entering the patient’s data on the left side, click the “Predict” button to calculate the probability of the patient having PSD and its 95% confidence interval. https://dujin.shinyapps.io/NomforPSD/Back to article page