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. 2016 Mar 21;7(17):24141–24153. doi: 10.18632/oncotarget.8234

Table 3. PNMT immunohistochemical analysis in benign and malignant PCC/PGL samples were scored based on percentage of positive-staining cells.

Benign (n = 39a) Malignant (n = 22)
PNMT P-value
0 12 (30.8%) 9 (40.9%) 0.031b
1+ 2 (5.1%) 7 (31.8%)
2+ 7 (17.9%) 2 (9.1%)
3+ 18 (46.2%) 4 (18.2%)
a

The single remaining benign PCC/PGL case was not stained due to unavailability of a FFPE sample.

b

Cochran-Armitage trend test.