Evaluation of Hand Foot Mouth Disease Surveillance in Chomthong Hospital, Chiangmai Province, 2023

Abstract

Retrieval of the report of the hand, foot and mouth disease (HFMD) surveillance system in Chom Thong District, Chiang Mai province, found the disease in Report 506 System (R506) at the rates of 34.72, 252.50 and 268.47 per 100,000 populations in 2021-2023, which has continuously persisted outbreaks in kindergarten schools. The epidemiological team therefore evaluated the HFMD surveillance system between January 1 and December 31, 2023 with an attempt to review the structure of disease reports, qualitative and quantitative analyses from an audit of registration forms and to provide recommendations for improving the disease surveillance system. A cross-sectional study design tempted to retrieve data from medical records in Extreme Platform for Hospital information (HOSxP) of 469 HFMD patients. It was found that the disease surveillance system of Chom Thong Hospital was an automatic data retrieval system from the ICD10 disease code in the HOSxP system into the R506 reporting system, which the epidemiology officers inspected it before reporting. That performance attained the sensitivity of 50.70%, the positive predictive value 92.86%. The quality of the data was accurate, complete, representative, and timeliness within 3 days possessed 99.48%. The surveillance system was acceptable, simple, uncomplicated, flexible, and had good system stability. However, recommendations being addressed that the diagnosis system and correct disease coding need to be improved, and the knowledge of related personnel should be continuously reviewed to increase the sensitivity of the disease surveillance system.