Comparison of Odor Index Calculation Procedures for Low-Concentration Samples

Key Points

• The study aims to analyze different calculation procedures for the odor index in low-concentration samples and their effects on measurement accuracy.
• Conducted probabilistic analysis using the CDE method.
• Compared the standard procedures involving correct response rates and cut-off averages.
• Examined the impact of different dilution factors on odor index calculations.
• Found that certain dilution factors (especially a dilution factor of 3) affect the precision of the odor index.
• Confirmed the cut-off average method as a promising standard for calculating the odor index.
• Identified higher additional measurement probabilities when using the cut-off average method, suggesting alternative approaches when data is insufficient.