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. 2020 Oct 9;15(10):e0240031. doi: 10.1371/journal.pone.0240031

Table 3. Yield of contact screening by sex.

Characteristics Male Female Total P Value
Total contacts screened 294,297 291,995 586,292
Presumptive TB cases 55,255 62,388 117,643
    Proportion 18.8 (18.63–18.92) 21.4 (95% CI 21.2–21.5) 20.0 (95% CI 19.96–20.17)
    NNS 5.3 4.6 4.9
All forms of TB 4,963 5,933 10,896
    Proportion 1.6 2.0 1.8 < 0.0001
    NNS 59.2 44.1 53.8
    NNT 11.1 10.5 10.8
Bacteriologically confirmed total 2,650 3,621 6,271
    Proportion 53.4 61.0 57.5 < 0.0001
    NNS 111.0 80.6 93.5
    NNT 20.8 17.2 18.7