Score | Witness® | SNAP® 4Dx® Plus | SNAP® HTWM | Speed Diro™ | PetChek® HTWM PF Optical Reading NEG 0.0420+ 0.05 POS 0.6529 | DiroCHEK® Optical Reading NEG 0.0562 POS 0.3754 |
---|---|---|---|---|---|---|
0 | No reaction | No reaction | No reaction | No reaction | ≥ 0.0920 | ≥ 0.0562 |
+ | Mild PR | Mild PR | 1 spot less bright than control spot | 1-3 into the Speed reading charta | ≥ 0.0921 ≤ 0.37245 | ≥ 0.0563 ≤ 0.2158 |
++ | Clear PR but less than control band/spot | Clear PR but less than control spot | 1 spot as bright as control spot | 4-7 into the Speed reading charta | ≥ 0.37245 ≤ 0.6529 | ≥ 0.2159 ≤ 0.3754 |
+++ | PR as clear as control band/spot | PR as clear as control band/spot | 2 spots | 8-10 into the Speed reading charta | ≥0.6530 | ≥ 0.3755 |