Table 3

Correlation between tumor grade and metastatic disease

Grade
Metastases (+)
Metastases (-)
Total

G1
9
4
13
G2
5
2
7
G3
1
1
2

Total
15
7
22

Degrees of freedom: 2

Chi-square = 0.345368916797488

For significance at the .05 level, chi-square should be greater than or equal to 5.99.

The distribution is not significant.

p is less than or equal to 1.

Alexiev et al. Diagnostic Pathology 2007 2:28   doi:10.1186/1746-1596-2-28