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. 2022 Jul 19;2(7):e0000301. doi: 10.1371/journal.pgph.0000301

Table 1. Tuberculosis screening cascade for activities at 117 TB diagnostic and treatment centers and 608 primary care centers during intervention (2019–2020).

Indicator Total
TB diagnostic and treatment centers (N = 117) Primary care centers
(N = 608)
P value
Number of people screened (% of total screened) 4,655,132 2,908,620 (62%) 1,746,512 (38%)
Number of people with TB testing result (% of people tested among those screened) 167,508 (3.6%) 114,528 (3.9%) 52,980 (3.0%) <0.001
Number of people with BAC+ TB (% positive among people tested) 16,592 (10%) 14,001 (12%) 2,591 (5%) <0.001
Number of people with BAC+ TB on treatment (% positive for TB who initiated TB treatment) 16,028 (97%) 13,781 (98%) 2,247 (87%) <0.001
Number needed to screen (NNS) to identify person with BAC+ TB 281 208 674
Number needed to test (NNT) to identify person with BAC+ TB 10   8   20