A Limited Sampling, Simple, and Useful Method for Determination of Glomerular Filtration Rate in Cats by Using a New Accurate HPLC Method to Measure Iohexol Plasmatic Concentrations

Table 1

Recovery and intra- and interday precision results for the assay; CV: coefficient of variation; intraday 𝑛=9 in one day; interday 𝑛=9 for 7 consecutive days.

Sample	Nominal IOX concentrations	Recovery (%)	Intraday precision (% CV)	Interday precision (% CV)
Low	25 μg/mL	96±2.5	1.5	3.8
Medium	125 μg/mL	96±1.8	2.5	3.2
High	500 μg/mL	95±2.1	4.0	6.5