Assessment of the Hepatitis C Surveillance System in Henan, China: 2014~2016

Table 2

Assessment of Hepatitis C surveillance system in Henan, China: 2014-2016.

Attributes	2014			2015			2016			P values
	OVERALL	CDHC	CHC	OVERALL	CDHC	CHC	OVERALL	CDHC	CHC	OVERALL	CDHC	CHC
Correctly reported cases (A)	1300	754	546	1496	560	936	1224	661	563	—	—	—
Falsely-reported cases (B)	821	233	588	657	270	387	490	266	224	—	—	—
Underreported-cases (C)	626	496	130	382	262	120	230	137	93	—	—	—
RS=A/(A+C)	67.50	60.32	80.77	79.66	68.13	88.64	84.18	82.83	85.82	<0.001	<0.001	<0.01
UR=C/ (A+C)	32.50	39.68	19.23	20.34	31.87	11.36	15.82	17.17	14.18	<0.001	<0.001	<0.01
PVP=A/(A+B)	61.29	76.39	48.15	69.48	67.47	70.75	71.41	71.31	71.54	<0.001	>0.01	<0.001
FRR=B/ (A+B)	38.71	23.61	51.85	30.52	32.53	29.25	28.59	28.69	28.46	<0.001	>0.01	<0.001

Notes.RS: report sensitivity, UR: underreporting rate, PVP: predictive value positive, FRR: false report rate, CDHC: clinical diagnosed Hepatitis C case, CHC: confirmed Hepatitis C case.