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Volume 14, Number 9—September 2008
Perspective

Underreported Threat of Multidrug-Resistant Tuberculosis in Africa

Yanis Ben AmorComments to Author , Bennett Nemser, Angad Singh, Alyssa Sankin, and Neil Schluger
Author affiliations: Columbia University, New York, New York, USA;

Main Article

Table 4

Correlation analysis between country-level TB-related indicators and rates of MDR TB in African countries*

Factor Average, presurvey years
Average, postsurvey years
Coefficient p value† Coefficient p value†
Incidence rate/100,000/y 0.09 0.592 0.03 0.865
Case detection rate (new ss+)
–0.14
0.380

–0.10
0.585
Treatment indicators
Cured 0.03 0.842 0.18 0.330
Completed –0.13 0.446 –0.21 0.256
Died –0.10 0.542 0.04 0.840
Failed 0.12 0.498 0.17 0.341
Defaulted –0.07 0.664 –0.05 0.781
Succeeded
–0.08
0.653

0.08
0.676
Retreatment indicators
Cured –0.03 0.881 0.08 0.674
Completed –0.20 0.258 –0.24 0.217
Died –0.06 0.728 –0.11 0.588
Failed 0.34 0.043‡ 0.41 0.029‡
Defaulted 0.04 0.798 0.12 0.540
Succeeded
–0.16
0.351

–0.07
0.728
Year 2005 only variables
Prevalence/100,000 0.14 0.404
Mortality rate/100,000/y 0.02 0.894
HIV/TB co-infection (%) –0.09 0.593
Male/female ratio: case notifications –0.05 0.787
Health expenditures (US $ per capita) –0.01 0.956

*TB, tuberculosis; MDR TB, multidrug-resistant TB; ss+, sputum sample positive.
†Marginally statistically significant trend (p<0.10).
‡Statistically significant trend (p<0.05).

Main Article

Page created: July 13, 2010
Page updated: July 13, 2010
Page reviewed: July 13, 2010
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