Table 1. Cumulative incidence of twelve most frequent species according to time-to-positivity of blood cultures
Ann Clin Microbiol 2023;26:125-137. Performance evaluation of 4-day versus 5-day blood cultures using the BD BACTEC FX system Download table Organism Total Cumulative incidence (%) of isolates at time-to-positivity (h) T50 (IQR) 12 h 24 h 36 h 48 h 72 h 96 h > 96 h Escherichia coli 311 276 (89) 307 (99) 309 […]
Table 1. Manufacturer’s recommendation for use of the study detergents
Ann Clin Microbiol 2023;26:117-124. Evaluation of the efficacy of three medical device detergents on bacteria and yeast derived biofilm: a comparative study Download table Detergents Concentration Mode of action Components Matrix mintTM 1:20 for heavily soiled instrument, 1:100 for regular use Non-enzymatic detergent Potassium hydroxide 0.1%, cationic surfactant < 1%, EDTA, 2-(2-ethoxyethoxy) ethanol EmpowerTM 1:133 […]
Table 3. Area under the receiver operating characteristic (ROC) curve for predicting Gram-negative bacteremia or Gram-positive bacteremia
Ann Clin Microbiol 2023;26:103-115. Clinical usefulness of procalcitonin/albumin and blood urea nitrogen/albumin ratios for the early detection of bacteremia Download table Variable Gram-negative bacteremia (n =77) AUC 95% CI P-value* Procalcitonin 0.837 0.81-0.86 0.005 Procalcitonin/albumin ratio 0.846 0.82-0.87 hsCRP 0.661 0.63-0.69 < 0.001 hsCRP/albumin ratio 0.702 0.67-0.73 Lactic acid 0.610 0.58-0.64 < 0.001 Lactic acid/albumin […]
Table 2. Logistic regression analysis for relation between bacteremia and biochemical variables
Ann Clin Microbiol 2023;26:103-115. Clinical usefulness of procalcitonin/albumin and blood urea nitrogen/albumin ratios for the early detection of bacteremia Download table Variable Gram negative bacteremia (n = 77) Univariable Multivariable OR (95% CI) P-value OR (95% CI)* P-value OR (95% CI)† P-value Procalcitonin 1.03 (1.02 – 1.04) < 0.001 1.02 (1.02 – 1.03) < 0.001 […]
Table 1. Baseline characteristics of study patients
Ann Clin Microbiol 2023;26:103-115. Clinical usefulness of procalcitonin/albumin and blood urea nitrogen/albumin ratios for the early detection of bacteremia Download table Characteristic Total (n = 989) No bacteremia (n = 857) Bacteremia (n = 132) P-value Age (yr) 067.4 ± 17.8 066.3 ± 18.3 075.1 ± 11.9 < 0.001 Sex (male) 574 (58.0) 511 (59.6) […]
Table 1. Studies of lateral flow immunoassays using quantum dots
Ann Clin Microbiol 2023;26:99-102. Quantum dot-based lateral flow immunoassay for the rapid detection of pathogens Download table Target LOD or sensitivity Assay time Reference Influenza A virus 2.4 pg/mL 20 min [9] SARS-CoV‑2 6.2 pg/mL SARS-CoV-2 IgG 98.8% 15 min [10] SARS-CoV-2 neutralizing antibody 88.9% HIV antibody 0.11 NCU/mL 20 min [11] Treponema pallidum antibody […]
Table 1. The variant types of real-time PCR observed during this study period (2021.01-2022.03)
Ann Clin Microbiol 2023;26:83-86. SARS-CoV2 mutation detection experience using PowerChek SARS-CoV-2 S-gene Mutation Detection Kit Download table Variant Predominance period by variant type No. of samples (%) Pre-delta (2020.1.20–2021.7.24) Delta (2021.7.25-2022.1.15) Omicron BA.1/BA.2 (2022.1.16-2022.7.23) SARS-CoV-2 20 1 – 021 (5.3) Alpha 5 – – 005 (1.3) Delta 6 204 11 221 (55.5) Omicron.BA.1 – 1 […]
Table 1. Comparison of perceptions of diagnostic tests for Clostridioides difficile infection among physicians and clinical patholosits
Ann Clin Microbiol 2023;26:75-82. A survey of physicians’ perceptions of diagnostic tests for Clostridioides difficile infection Download table Physicians Clinical pathologists Perception on the algorithmic test Useful Useful but in need of countermeasures Not useful Sum Useful 0 1 0 1 Useful but in need of countermeasures 8 10 1 19 Not useful 1 0 […]
Table 3. Detection of the targeted protozoa among 51 non-diarrheal fecal samples obtained from nondiarrheal healthy controls using molecular diagnostics
Ann Clin Microbiol 2023;26:67-73. Multicenter study on the molecular epidemiology of intestinal protozoan parasites in Korea Download table Center (No. of sample) No. (%) of samples with positive to any protozoa by commercial Real-time PCR kits Cryptosporidium parvum Giardia lamblia Entamoeba histolytica Cyclospora cayetanensis Dientamoeba fragilis Blastocystis hominis Microsporidia species Kudoa septempunctata Center 1 (n=13) […]
Table 2. Detection of several protozoa among 279 diarrheal fecal samples obtained from six collection centers
Ann Clin Microbiol 2023;26:67-73. Multicenter study on the molecular epidemiology of intestinal protozoan parasites in Korea Download table Center No. (%) of samples with positive to any protozoa by commercial Real-time PCR kits Cryptosporidium parvum Giardia lamblia Entamoeba histolytica Cyclospora cayetanensis Dientamoeba fragilis Blastocystis hominis Microsporidia species Kudoa septempunctata Center 1 0 0 0 0 […]