Table 1

 POLI Look-Up-Table showing upper and lower threshold values on the grey scale

Grey values for the 8 grey scale valuesRepresentative immunolabelling intensity
(8) 221–253
(7) 188–220High
(6) 155–187
(5) 122–154Medium
(4) 89–121
(3) 56–88Low
(2) 33–55
(1) 0–32Zero immunolabelling