Table 2. Sensitivity and specificity of LAMP (compared to MGIT) by HIV status and smear status (n = 233).
Sensitivity | Specificity | |||
---|---|---|---|---|
Overall | Smear positive and culture positive | Smear negative and culture positive | ||
Overall (n = 233) a | ||||
Correct-no/total no | 26/40 (65.0%) | 23/35 (65.7%) | 3/5 (60.0%) | 193/193 (100%) |
95% CI | (48.3%– 79.4%) | (47.8%– 80.9%) | (14.7%– 94.7%) | (98.0%– 100%) |
HIV Positive (n = 102) | ||||
Correct-no/total no | 10/15 (66.7%) | 8/12 (66.7%) | 2/3 (66.7%) | 87/87 (100%) |
95% CI | (38.4%– 88.2%) | (34.9%– 90.0%) | (9.4%– 99.2%) | (95.9%– 100%) |
HIV Negative (n = 112) | ||||
Correct-no/total no | 10/19 (52.6%) | 9/17 (52.9%) | 1/2 (50.0%) | 93/93 (100%) |
95% CI | (28.9%– 75.6%) | (27.8%– 77.0%) | (1.3%– 98.7%) | (96.1%– 100%) |
a Includes 19 samples from participants with unknown HIV status