Table 1.

Percentages of KLK7-positive cells in full sections

Case numberNormal epitheliumaPanIN 1AaPanIN 1BaPanIN 2/3aPDACa
10580
2005090
3010102090
400108050
50090
600580
700590
8020400
900070
100090
110002080
120055070
1300080
1407050
150090
1600100
170104050
180050
190051080
200030
21002060
220050
Mean (SD)0 (0)<1 (3)8 (12)41 (25)69 (24)
Median (quartiles)0 (0–0)0 (0–0)5 (0–10)40 (20–55)80 (50–90)
  • aNumbers are percentages of KLK7-positive cells. Numbers in the same row are from the same full section (identified by case number). Every full section had a normal epithelium, a PDAC, and at least one of the 3 severity gradings of PanIN indicated by the column headings.