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. 2016 May 25;11:45. doi: 10.1186/s13000-016-0495-1

Table 3.

CA IX expression and 2015 ISUP grading system

ISUP grading N High Low
1 20 5 15
2 10 3 7
3 10 8 2
4 30 27 3
5 20 18 2

N: number of cases

p < 0.001