Table 2. Number of reviewed smears and trend of false positive and negative errors from January, 2017 to December, 2018 year.

Year (GC)	Quarter	Total slide collected	Microscopic local result		EQA (reference) result		False positive result	False negative result	QE	Total
			Pos	Neg	Pos	Neg
2017	Q1	3206	119	3087	116	3090	6	3	4	13
	Q2	2918	190	2728	191	2727	4	5	4	13
	Q3	3844	136	3708	140	3704	11	15	4	30
	Q4	3005	86	2919	89	2916	5	8	5	18
2018	Q1	2960	98	2862	85	2875	16	3	0	19
	Q2	3057	110	2946	107	2949	7	4	2	13
	Q3	2531	49	2482	48	2483	5	4	1	10
	Q4	1935	66	1869	64	1871	4	2	0	6