Hyperglycemia is associated with increased risk of patient delay in pulmonary tuberculosis in rural areas

Qiuzhen Wang, Aiguo Ma*, Xiuxia Han, Shanliang Zhao, Jing Cai, Frans J. Kok, Evert G. Schouten

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)

Abstract

Background: Excessive time between the first presentation of symptoms of pulmonary tuberculosis (PTB) and diagnosis contributes to ongoing transmission and increased risk of infection in the community, as well as to increased disease severity and higher mortality. People with type 2 diabetes mellitus (T2DM) have a higher risk of developing PTB. However, the effect of T2DM on delayed diagnosis of PTB is not fully understood. This study investigated the effects of hyperglycemia (diabetes and prediabetes) and other factors on PTB patient delay in a rural area of China. Methods: In the present community-based investigation, PTB patients aged ≥16years newly diagnosed at county tuberculosis dispensaries were recruited consecutively between September 2011 and December 2013. Fasting blood glucose was determined in all subjects, and a structured questionnaire was used to collect basic information. Results: Of the 2280 patients, 605 (26.5 %) had hyperglycemia. The median (interquartile range) time to seeking health care was 44 (59) days. Health care seeking was delayed in 1754 subjects, and hyperglycemia was independently associated with an increased probability (odds ratio 2.10; 95 % confidence interval 1.49-2.97) of patient delay in subjects aged ≥30years. Other factors associated with patient delay were cough, night sweats, and lack of knowledge regarding typical tuberculosis symptoms. The onset of hemoptysis was negatively correlated with patient delay. Conclusions: Patient delay appears to be a serious problem in this rural area with a high prevalence of tuberculosis. Hyperglycemia is independently associated with an increased probability of patient delay, which, in turn, may result in more serious clinical manifestations.
Original languageEnglish
Pages (from-to)648-655
JournalJournal of diabetes
Volume9
Issue number7
DOIs
Publication statusPublished - 2017

Keywords

  • Community
  • Determining factor
  • Diabetes mellitus
  • Infectious disease
  • Odds ratio

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