Figure 1.

Trends in all forms of TB, Pulmonary smear positive TB case notification, DOTS sites expansion and DOTS population coverage, Arsi Zone of Oromia Regional State, Central Ethiopia, 1997-2011. N.B: Trends in TB case notification increased with DOTS sites expansion for all forms of TB ${\mathrm{X}}_{\mathrm{trend}}^2$ =75.2, p<0.001, PTB+ ${\mathrm{X}}_{\mathrm{trends}}^2$ =27.74, P <0.001) and CDR PTB+ ${\mathrm{X}}_{\mathrm{trend}}^2$ =26.794, p<0.001.