Table 2. Status of NHS according to the type of screening hospital and their area.

Cities/provinces	Total NHS No.	NHS, No (%) (based on NHS hospital area)			Referral state of NHS, No (referral rate, %)
		Maternity clinics	ENT department of general hospitals	Other local clinics	Maternity clinics	ENT departments of general hospitals	Other local clinics
Seoul	46,224	40,737 (88.1)	4,236 (9.2)	1,251 (2.7)	525 (1.3)	400 (9.4)	220 (17.6)
Busan	27,877	27,182 (97.5)	695 (2.5)	0 (0.0)	135 (0.5)	31 (4.5)	0 (0.0)
Daegu	19,847	16,604 (83.7)	3,201 (16.1)	42 (0.2)	196 (1.2)	286 (8.9)	0 (0.0)
Incheon	16,609	16,312 (98.2)	297 (1.8)	0 (0.0)	302 (1.9)	9 (3.0)	0 (0.0)
Gwangju	15,373	13,967 (90.9)	1,406 (9.1)	0 (0.0)	151 (1.1)	204 (14.5)	0 (0.0)
Daejeon	14,133	13,616 (96.3)	500 (3.5)	17 (0.1)	151 (1.1)	17 (3.4)	3 (17.6)
Ulsan	8,415	7,447 (88.5)	968 (11.5)	0 (0.0)	72 (1.0)	28 (2.9)	0 (0.0)
Gyeonggi	85,927	80,172 (93.3)	4,815 (5.6)	940 (1.1)	485 (0.6)	175 (3.6)	22 (2.3)
Gangwon	11,450	9,579 (83.7)	1,435 (12.5)	436 (3.8)	145 (1.5)	51 (3.6)	2 (0.5)
Chungbuk	11,479	11,222 (97.8)	187 (1.6)	70 (0.6)	144 (1.3)	1 (0.5)	22 (31.4)
Chungnam	12,977	12,058 (92.9)	809 (6.2)	110 (0.8)	77 (0.6)	85 (10.5)	3 (2.7)
Jeonbuk	13,191	11,223 (85.1)	1,963 (14.9)	5 (0.0)	94 (0.8)	240 (12.2)	3 (60.0)
Jeonnam	10,643	10,643 (100)	0 (0.0)	0 (0.0)	235 (2.2)	0 (0.0)	0 (0.0)
Gyeongbuk	15,325	13,113 (85.6)	2,091 (13.6)	121 (0.8)	84 (0.6)	46 (2.2)	0 (0.0)
Gyeongnam	29,011	27,343 (94.3)	1,636 (5.6)	32 (0.1)	212 (0.8)	33 (2.0)	2 (6.3)
Jeju	5,497	3,428 (62.4)	355 (6.5)	1,714 (31.1)	39 (1.1)	12 (3.4)	354 (20.7)
Sejong	742	646 (87.1)	0 (0.0)	96 (12.9)	0 (0.0)	0 (0.0)	8 (8.3)
Total	344,720	315,292 (91.5)	24,594 (7.1)	4,834 (1.4)	3,047 (1.0)	1,618 (6.6)	639 (13.2)

Missing value which missed the data of screening hospital = 235.

NHS = newborn hearing screening, ENT = ear, nose, and throat.