Table 5.

Individual and pooled Xpert MTB grades (includes pools with only one positive sample).

	Individual Xpert MTB grade included in pool
	Very lown (%)	Lown (%)	Mediumn (%)	Highn (%)	Alln (%)
Pooled Xpert Ultra	4	8	6	20	38
Not detected	1 (25.0%)	0 (0.0%)	2 (33.3%)	0 (0.0%)	3 (7.9%)
Very low	0 (0.0%)	3 (37.5%)	0 (0.0%)	0 (0.0%)	3 (7.9%)
Low	3 (75.0%)	3 (37.5%)	3 (50.0%)	2 (10.0%)	11 (28.9%)
Medium	0 (0.0%)	2 (25.0%)	1 (16.7%)	2 (10.0%)	5 (13.2%)
High	0 (0.0%)	0 (0.0%)	0 (0.0%)	16 (80.0%)	16 (42.1%)

MTB, Mycobacterium tuberculosis.