From: HPLC estimation of iothalamate to measure glomerular filtration rate in humans
Analyte (µg/mL) | QC | Linear range | LOD | R2 | Intra-day (N = 6) | Inter-day (N = 12) | Recovery | ||
---|---|---|---|---|---|---|---|---|---|
Precision, % CV | Accuracy % | Precision, % CV | Accuracy % | ||||||
Iothalamic acid in plasma | 1 | 1–150 | 0.5 | 0.9985 | 4.56 | 86.33 | 13.16 | 90.08 |  |
2 | 9.46 | 112.5 | 12.87 | 102.58 | Â | ||||
20 | 14.96 | 100.74 | 11.52 | 96.6 | 96.05 | ||||
120 | 2.66 | 99.88 | 2.65 | 98.99 | 118.38 | ||||
Iothalamic acid in urine | 25 | 25–1500 | 5 | 0.9992 | 4.31 | 97.54 | 4.45 | 95.91 |  |
40 | 3.96 | 88.49 | 3.86 | 90.91 | Â | ||||
200 | 2.23 | 114.96 | 6.68 | 108.33 | 93.14 | ||||
1200 | 1.81 | 109.8 | 8.56 | 101.66 | 111.74 |