Table 5.

Percentage of agreement of the Cobas MTB and Logix Smart MTB test with the Xpert MTB/RIF Ultra.

Comparator test	Sample origin	Agreement (95% CI)	Cohen’s Kappa index (95% CI)
Cobas MTB vs Xpert MTB/RIF Ultra	Total	97.14 (94.65–99.64)	0.926 (0.86–0.99)
	Pulmonary	97.62 (94.9–100)	0.945 (88.3–100)
	Extrapulmonary	95.92 (90.1–100)	0.810 (0.54–100)
Logix Smart MTB vs Xpert MTB/RIF Ultra	Total	93.75 (88.02–99.48)	0.830 (0.72–0.94)
	Pulmonary	93.10 (86.3–99.8)	0.831 (0.71–0.95)
	Extrapulmonary	95.45 (84.1–100)	0.807 (0.54–100)
Cobas MTB vs Logix Smart MTB	Total	96.25 (90.93–100)	0.897 (0.80–0.98)
	Pulmonary	95.69 (89.4–100)	0.893 (0.79–0.99)
	Extrapulmonary	97.73 (87.1–100)	0.906 (0.69–100)

95% CI, 95% confidence interval; MTB, Mycobacterium tuberculosis.