ArticleBMC infectious diseases2026
Patient and diagnosis delays among migrant tuberculosis patients in suburban Shanghai, China: a 10-year retrospective study.
Article in BMC infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo analyze the status of patient delay (PD) and diagnosis delay (DD) and explore factors associated with delays among migrant tuberculosis (TB) patients in suburban Shanghai from 2015 to 2024, aiming to provide a scientific basis for targeted TB control strategies.
methodsA retrospective surveillance-based study was conducted using pulmonary tuberculosis (PTB) case data from Fengxian District, Shanghai, obtained from the Tuberculosis Information Management System. Statistical analyses, including the Mann-Whitney U test, chi-square test, multivariable logistic regression, and generalized least squares (GLS) analysis, were performed to examine factors associated with delays. Joinpoint regression was used to analyze temporal trends.
resultsA total of 3,178 PTB cases (1,573 locals and 1,605 migrants) were included. Compared with locals, migrants exhibited a significantly shorter median PD (8 vs. 11 days; P < 0.001) but a longer median DD (9 vs. 7 days; P < 0.001). Regarding PD, a significant upward trend was observed among migrants from 2017 to 2024 (Annual Percentage Change [APC] = 5.28%, P = 0.015). PD was more likely among female patients, those aged 30-69 years, and those seeking first diagnosis outside Fengxian. DD was less likely among patients seeking first diagnosis outside the district, but more likely among those with negative bacteriological results.
conclusionMigrants in suburban Shanghai are characterized by a pattern of "shorter PD but prolonged DD." However, the rising trend in PD and the complex effects of cross-district care seeking highlight the urgent need for strengthened inter-district coordination and improved molecular diagnostics at the district level. CLINICAL TRIAL: Not applicable.
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