TABLE 2.
Sample | Method (no. of replicates) | Data from extended between-run imprecisiona |
Total imprecision CV% | ||
---|---|---|---|---|---|
Detected IFN-γ response |
CV% | ||||
Mean (range) | SD | ||||
1 | B-TbIFNg (7) | 3.8 (2.6-6.3) IU/ml | 1.45 IU/ml | 37.7 | 37.8 |
Ly-TbSpot with AgA (9) | 204 (153-326) SFU/106 lymph | 51 SFU/106 lymph | 24.8 | 31.5 | |
Ly-TbSpot with AgB (8) | 308 (189-425) SFU/106 lymph | 77 SFU/106 lymph | 24.9 | 26.6 | |
2 | B-TbIFNg (6) | 135 (95-211) IU/ml | 42 IU/ml | 31.2 | 31.2 |
Ly-TbSpot with AgA (6) | 834 (684-1,045) SFU/106 lymph | 140 SFU/106 lymph | 16.8 | 17.2 | |
Ly-TbSpot with AgB (6) | 486 (385-636) SFU/106 lymph | 62 SFU/106 lymph | 12.7 | 19.7 |
SFU/106 lymph, spot-forming units per million lymphocytes.