TABLE 6.

Identification of the incorrect serogroup in round 2 of the leptospirosis MAT proficiency testing scheme related to geographic region and to participation in round 1 of the scheme

Region	No. of participants		No. of determinations		No. of incorrect determinations		% Incorrect determinations		No. of incorrect determinations per participant
	Ongoing	New	Ongoing	New	Ongoing	New	Ongoing	New	Ongoing	New
Australasia	2	1	6	2	0	0	0	0	0	0
North America	2	3	6	9	0	0	0	0	0	0
Europe	21	7	63	21	6	4	10	19	0.29	0.57
Asia and Pacific	3	6	6	15	2	2	33	13	0.67	0.33
South and Central America	6	9	15	27	1	8	7	30	0.17	0.11
Total	34	26	96	74	9	14	9	19a	0.26	0.54

^aχ²_1df = 3.254; P = 0.071.