Table 5 

Correlation between Ki67% index and metastatic disease 

Ki67 Index 
Metastases (+) 
Metastases () 
Total 


> 2% 
5 
4 
9 
< 2%* 
10 
3 
13 


Total 
15 
7 
22 


* Cases with Ki67 index of 2% were included in the < 2% category. Degrees of freedom: 1 Chisquare = 1.11925111925112 For significance at the .05 level, chisquare should be greater than or equal to 3.84. The distribution is not significant. p is less than or equal to 1. 

Alexiev et al. Diagnostic Pathology 2007 2:28 doi:10.1186/17461596228 