Table 4 

Causes of transition between nonoverlapping and overlapping states. 

Types of overlap 
5' change^{1} 
3' change^{2} 
Chisquare goodnessoffit test^{3} 


Samestrand 
16 (36%) 
28 (64%) 
χ^{2 }= 3.27 (p = 0.07) 
Differentstrand 
220 (40%) 
327 (60%) 
χ^{2 }= 20.93 (p = 4.8e6) 


^{1 }The number of cases that show a 5' change. Corresponding percentages are in parenthesis. ^{2 }The number of cases that show a 3' change. ^{3 }Test for equal proportions of 5' and 3' change. 

Sanna et al. BMC Genomics 2008 9:169 doi:10.1186/147121649169 