Table 4

Distribution of the factor variants over the two classes obtained with k-means clustering of 2nd-log obs/exp. Sex, biopsy and tissue were compared with chi-square, age and proteasome expression level with Wilcoxon.

Factor
variants
class 1
class 2
P-value

sex
male
18
18
0,432

female
27
19

biopsy
surgery
36
26
0,544

autopsy
9
9

tissue
endodermic
14
20
0.157

mesodermic
19
21

age
in years
53,5
61,9
3,64E-06
expression level

91,9
90,0
0,592

Simons Biology Direct 2007 2:39   doi:10.1186/1745-6150-2-39