Table 1.

Intra- batch repeatability.

Reciprocal dilution	Repeat			Mean	Standard error	CV (%)
	1	2	3
100	1.418	1.411	1.381	1.403	0.016	0.011
200	1.335	1.388	1.334	1.336	0.002	0.001
400	1.308	1.300	1.284	1.297	0.010	0.008
800	1.186	1.214	1.221	1.207	0.015	0.013
1600	1.066	1.068	1.046	1.060	0.010	0.009
3200	0.722	0.783	0.772	0.776	0.005	0.007