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Table 1 Enrolled patient demographics

From: The Korean undiagnosed diseases program: lessons from a one-year pilot project

  Number of patients
(total n = 97)
Sex (male:female) 59:38
Mean age of symptom onset (years) 2.1 (0–13.8)
Mean age at first medical service (years) 2.5 (0–18.4)
Mean age at KUDP admission (years) 6.7 (0–36.0)
Mean Number of tests before the project 6.2 (2–14)
Number of visited clinics before the project admission (n, (%))
 1 7 (7.1)
 2 52 (52.5)
 3 26 (26.3)
 > 4 14 (14.1)
Clinical diagnosis (n, (%))
 Neurodevelopmental 54 (55.7)
 Congenital multiple anomaly 7 (7.2)
 Metabolic 20 (20.6)
 Neuromuscular 11 (11.3)
 Others 5 (5.2)