Table 2.
Sequential volume determinations by multiple techniques
| RCV (ml) |
Difference from 14C |
|||||||
|---|---|---|---|---|---|---|---|---|
| Sheep identity and weight | Time | 14C | 51Cr | 125I-SA | FC | 51Cr | 125I-SA | FC |
| 1 | 0 | 346 | 370 | 338 | ND | 6.9% | -2.3% | ND |
| 26.4 kg | day 2 | 331 | 363 | 313 | ND | 9.7% | -5.4% | ND |
| Difference from Time 0 value | -4.3% | -1.9% | -7.4% | |||||
| 2 | 0 | 417 | 436 | 446 | 457 | 4.6% | 7.0% | 9.6% |
| 36.8 kg | 20 min | 425 | 462 | 473 | 492 | 8.7% | 11.3% | 15.8% |
| 1.9% | 6.0% | 6.1% | 7.7% | |||||
| 3 | 0 | 938 | 979 | 994 | 994 | 4.4% | 6.0% | 6.0% |
| 60.5 kg | day 1 | 903 | 952 | 880 | 917 | 5.4% | -2.5% | 1.6% |
| Difference from Time 0 value | -3.7% | -2.8% | -11.0% | -7.7% | ||||
| day 2 | 934 | 1013 | 1025 | 1030 | 8.5% | 9.7% | 10.3% | |
| Difference from Time 0 value | -0.43% | 3.5% | 3.1% | 3.6% | ||||
| Average Error | 6.9% | 3.4% | 8.7% | |||||
| SD of Error | 2.1% | 6.7% | 5.3% | |||||
Abbreviations used in Table 1 and Table 2: 14C = (14C)-cyanate, FC = flow cytometry, 125I-SA = (125I)streptavidin, ND = not determined, RCV = red blood cell volume.