Table 1.

Enrolled patient demographics

	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)