Worsening of the disability grade during leprosy treatment: prevalence and its determinants in Southern Nigeria.

Background: In Nigeria, little is known about the development of new or additional physical disability during leprosy treatment. The objective of this study was to determine the prevalence and evaluate factors associated with worsening of physical disability during leprosy treatment in Nigeria.

Methods: This was a retrospective cohort study conducted among leprosy patients treated in six referral facilities in six States in Nigeria between January 2011 and December 2015.

Assessment of health care workers' knowledge, attitude and risk perception of Buruli ulcer disease in Southern Nigeria.

Background: Poor knowledge of health care workers may be responsible for the under-diagnosis and low notification of Buruli ulcer (BU) in high-burden settings. This study assessed health care workers' knowledge, attitude and risk perception of BU in Southern Nigeria.

Methods: We conducted a cross-sectional survey among 186 health care workers recruited from 58 health facilities in four states of Southern Nigeria.

Screening for diabetes mellitus among tuberculosis patients in Southern Nigeria: a multi-centre implementation study under programme settings.

Implementation studies are recommended to assess the feasibility and effectiveness of programmes. In Nigeria, little is known about the burden of diabetes mellitus (DM) among tuberculosis (TB) patients. The objective of this study was to determine screening efficacy, prevalence of DM and determinants of DM among TB patients.