Fig. 3From: Development of the Lebanese insomnia scale (LIS-18): a new scale to assess insomnia in adult patientsROC curve of the LIS-18 scale. Patients diagnosed by a physician or taking drug medication for insomnia and healthy control without insomnia drug, were analyzed. Area under the curve = 0.920 [0.836–1.000] (P < 0.001); at value = 51.50, Se = 90.0% and Sp = 78.10%Back to article page