Table 1. Status of diagnostic referral institutions (2021–2025).

Category	2021	2022	2023	2024	2025	Total
Public health centers	126 (50.2)	184 (51.4)	511 (58.9)	66 (17.7)	41 (21.4)	928
Military hospitals	38 (15.1)	65 (18.2)	203 (23.4)	100 (26.8)	19 (9.9)	425
Primary clinics	4 (1.6)	1 (0.3)	0 (0.0)	12 (3.2)	6 (3.1)	23
Secondary hospitals	47 (18.7)	31 (8.7)	80 (9.2)	130 (34.9)	84 (43.8)	372
Tertiary hospitals	25 (10.0)	46 (12.8)	44 (5.1)	28 (7.5)	24 (12.5)	167
Others	11 (4.4)	31 (8.7)	29 (3.3)	37 (9.9)	18 (9.4)	126
Total	251 (100.0)	358 (100.0)	867 (100.0)	373 (100.0)	192 (100.0)	2,041

Unit: case (%).