Timeliness of national notifiable diseases surveillance system in Korea: a cross-sectional study

BMC Public Health

Table 1 Number of notified cases and proportion (%) notified within the recommended time limits of law

Disease	Total no. of notifications	Proportion (%) notified within the recommended time limit^a
		T₂	T₃	T₄	T₂ + T₃ + T₄ ^b
Group I		(1 day)	(1 day)	(1 day)	(3 days)
Typhoid fever	1,346	70.7	64.7	69.9	49.8
Shigellosis	3,877	85.3	63.7	64.7	53.3
Group II		(1 day)	(7 days)	(7 days)	(15 days)
Mumps	9,557	68.8	89.5	96.6	89.7
Group III		(7 days)	(7 days)	(7 days)	(21 days)
Scrub typhus	23,585	84.7	84.1	97.9	91.2
HFRS	2,295	84.0	86.1	96.6	90.6
Group IV		(1 day)	(1 day)	(1 day)	(3 days)
Dengue fever	100	60.2	49.0	83.0	34.7

HFRS, Hemorrhagic fever with renal syndrome.
^aThe recommended time limit for each step for a specific disease group is presented in parentheses. A recommended time limit of "immediately" was operationally defined as "within 1 day." See Figure 1 for definitions of T₂, T₃, and T₄.
^bT₂ + T₃ + T₄ indicates the sum of the recommended time limits from diagnosis to notification to the Korea Centers for Disease and Control and prevention.

ISSN: 1471-2458