Mean value of each variable | K-alpha probe | RMD PET probe | Neoprobe PET probe | P-value |
---|---|---|---|---|
Averaged target tissue count rate (counts per second) | 960 (± 907, range 80–2509) | 203 (± 153, range 45–446) | 150 (± 121, range 32–322) | 0.006 |
Background tissue count rate in adjacent area of presumed normal tissue (counts per second) | 755 (± 858, range 32–2257) | 133 (± 104, range 37–344) | 71 (± 65, range 18–197) | 0.014 |
Relative probe counting efficiency ratio | 6.9 (± 4.4, range 2.2–15.4) | 1.5 (± 0.3, range 1.0–2.1) | 1.0 (± 0, range 1.0–1.0) | <0.001 |
Calculated fixed T/B ratio | 1.6 (± 0.6, range 1.1–2.5) | 1.6 (± 0.5, range 1.2–2.4) | 2.3 (± 1.0, range 1.4–4.2) | 0.073 |
Calculated three-sigma criteria count rate (counts per second) | 827 (± 901, range 49–2400) | 165 (± 117, range 55–400) | 94 (± 76, range 31–239) | 0.012 |