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Table 1 Immunostaining intensity classification

From: The adaptive immune response in cardiac arrest resuscitation induced ischemia reperfusion renal injury

Characterization Symbolism Staining intensity Stained specimen
Negative 0 No staining reaction  < 20%
Weakly positive 1 Weak staining intensity 20–50%
Moderate positive 2 Moderate staining intensity 51–80%
Strongly positive 3 Strong staining intensity  > 80%