Review Article

Contact Investigation of Children Exposed to Tuberculosis in South East Asia: A Systematic Review

Table 2

The yields of household contact investigation among child contacts.

Author Country Number of source case Number of child contactsYield (%) for TB infectionYield (%) for TB disease
<5 yo 5–15 yo<15 yo<5 yo 5–15 yo<15 yo

Andrews et al. [18]India19139816.253.638.89.235.5
Narain et al. [16]India757905.536.524.4NRNRNR
Kumar et al. [17]India50142NRNRNR3.2NRNR
Singh et al. [15]India20028133.8NRNR3.2NRNR
Rathi et al. [24]Pakistan771517.821.829.6NRNRNR
Salazar-Vergara et al. [25]Philippines 62 153 51.2 76.9 69.2 NR NR 3.3
Tornee et al. [19]Thailand325480NRNR47.8NRNRNR
Tornee et al. [20]Thailand342500NRNR47.1NRNRNR
Iskandar et al. [22]Indonesia546110NRNR16.4NRNR
Nguyen et al. [23]Lao721482635.731.1NRNRNR
Okada et al. [21]Cambodia16421724NRNR8.7NRNR

NR: not reported.