Selda manullang
institut kesehatan medistra lubuk pakam

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Analysis of the Relationship between Risk Management of Laboratory Test Errors and the Quality of Laboratory Personnel Services at GrandMed Lubuk Pakam Hospital Selda manullang; Barita Aritonang; Chandra Pranata
JURNAL KESMAS DAN GIZI (JKG) Vol. 8 No. 2 (2026): Jurnal Kesmas dan Gizi (JKG)
Publisher : Fakultas Kesehatan Masyarakat Institut Kesehatan Medistra Lubuk Pakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35451/753ef675

Abstract

Risk management is an essential component of a laboratory quality system to prevent errors in examination results and to improve service quality. This study aimed to analyze the relationship between risk management of laboratory result errors and the service quality of laboratory personnel at GrandMed Hospital Lubuk Pakam. This study employed a quantitative method with a cross-sectional design. A total of 30 respondents were recruited using a total sampling technique. Data were collected using questionnaires and analyzed using the Spearman Rank correlation test. The results show that the type of error is significantly associated with service quality (r = 0.389; p = 0.034), risk identification has a very strong and significant association (r = 0.752; p = 0.000), and risk analysis is significantly associated with service quality (r = 0.382; p = 0.037). However, risk control is not significantly associated (r = 0.156; p = 0.410), and user satisfaction is also not significantly associated (r = 0.052; p = 0.784). Overall, risk management of laboratory errors shows a very strong positive correlation with the service quality of laboratory personnel (r = 0.823; p = 0.000). In conclusion, risk identification and risk analysis are the main factors associated with improving the service quality of laboratory personnel. Therefore, strengthening standard
Comparison of the Number of Staphylococcus aureus Colonies in Green Grass Jelly (Cyclea barbata Miers) and Black Grass Jelly (Mesona palustris) Sold in the Lubuk Pakam Area Selda manullang; Yemima Sundita Damanik; Sa’adah Siregar
Medistra Medical Journal (MMJ) Vol 3 No 2 (2026): Medistra Medical Journal (MMJ)
Publisher : Institut Kesehatan Medistra Lubuk Pakam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35451/aps49y92

Abstract

Food contamination by pathogenic bacteria is a public health problem that can cause digestive disorders and even serious infections. One of the bacteria commonly found in food is Staphylococcus aureus, which is capable of producing enterotoxins and causing food poisoning. Green grass jelly (Cyclea barbata Miers) and black grass jelly (Mesona palustris) are traditional food products widely consumed by the community and are generally produced and sold in a traditional manner, increasing the risk of bacterial contamination due to poor hygiene practices. This study aimed to compare the number of Staphylococcus aureus colonies in green grass jelly and black grass jelly sold in the Lubuk Pakam area. This research used a laboratory experimental method with a streaking technique on Mannitol Salt Agar (MSA) media using a sterile inoculating loop. Samples were inoculated onto the media and incubated to allow colony growth. Bacterial identification was carried out through macroscopic observation, Gram staining, and biochemical tests including catalase and coagulase tests. The results showed that all samples of green and black grass jelly were positive for Staphylococcus aureus. The total number of colonies in green grass jelly was 465 colonies with an average of 116.25 colonies, while black grass jelly showed a total of 880 colonies with an average of 220 colonies. The difference in the average colony count between the two samples was 103.75 colonies, indicating that black grass jelly had a higher level of contamination than green grass jelly. In conclusion, there is a difference