TABLE 2.

Interobserver agreement of MAC DOT results for 496 samples

Observer 1 results	Observer 2 results (no. of samples)					Total no. of samples
	Negative	Very weakly positive	Weakly positive	Positive	Strongly positive
Negative	198	15	3	0	0	216
Very weakly positive	12	37	6	0	0	55
Weakly positive	3	2	32	7	0	44
Positive	0	1	6	88	5	100
Strongly positive	0	0	0	1	80	81
Total	213	55	47	96	85	496