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.