Figure 1From: Trends in TB case notification over fifteen years: the case notification of 25 Districts of Arsi Zone of Oromia Regional State, Central Ethiopia 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 X trend 2 =75.2, p<0.001, PTB+ X trends 2 =27.74, P <0.001) and CDR PTB+ X trend 2 =26.794, p<0.001.Back to article page