. 2019 Jul 8;12:336. doi: 10.1186/s13071-019-3594-5

Table 2.

The proportion eating raw freshwater fish in different groups of C. sinensis infection based on different diagnostic standards

No. of smears	Positive cases				Negative cases				False negative cases
	N	Consuming raw fish	Not consuming raw fish	Unclear data	N	Consuming raw fish	Not consuming raw fish	Unclear data	N	Consuming raw fish	Not consuming raw fish	Unclear data
	N	n (%)^a	n	n	N	n (%)^a	n	n	N	n (%)^a	n	n
1 stool × 1 smear	45	32 (72.7)^b	12	1	352	101 (28.9)^c	249	2	32	21 (67.7)^d	10	1
1 stool × 2 smears	49	35 (72.9)^e	13	1	348	98 (28.3)^f	248	2	28	18 (66.7)^g	9	1
1 stool × 3 smears	55	39 (73.6)^h	14	2	342	94 (27.6)ⁱ	247	1	22	14 (63.6)^j	8	0
2 stools × 1 smear	64	43 (68.3)^k	20	1	333	90 (27.2)^l	241	2	13	10 (83.3)^m	2	1
2 stools × 2 smears	73	50 (69.4)ⁿ	22	1	324	83 (25.8)^o	239	2	4	3 (100.0)^p	0	1
2 stools × 3 smears	77	53 (70.7)^q	22	2	320	80 (25.1)	239	1	0	0	0	0

^aNo. with unclear data was not included in the calculation of the proportion

^bχ² = 33.64, df = 1, P < 0.001, positive cases vs negative cases

^cχ² = 19.78, df = 1, P < 0.001, negative cases vs false negative cases

^dχ² = 0.22, df = 1, P = 0.641, positive cases vs false negative cases

^eχ² = 37.49, df = 1, P < 0.001, positive cases vs negative cases

^fχ² = 17.18, df = 1, P < 0.001, negative cases vs false negative cases

^gχ² = 0.33, df = 1, P = 0.568, positive cases vs false negative cases

^hχ² = 43.44, df = 1, P < 0.001, positive cases vs negative cases

ⁱχ² = 12.87, df = 1, P < 0.001, negative cases vs false negative cases

^jχ² = 0.74, df = 1, P = 0.389, positive cases vs false negative cases

^kχ² = 39.91, df = 1, P < 0.001, positive cases vs negative cases

^lFisher’s exact test, P < 0.001, negative cases vs false negative cases

^mFisher’s exact test, P = 0.491, positive cases vs false negative cases

ⁿχ² = 50.18, df = 1, P < 0.001, positive cases vs negative cases

^oFisher’s exact test, P = 0.018, negative cases vs false negative cases

^pFisher’s exact test, P = 0.551, positive cases vs false negative cases

^qχ² = 56.44, df = 1, P < 0.001, positive cases vs negative cases

Abbreviation: N, total number of cases