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Table 3.

Relative expression of NER proteins in SCCHN patients and controls

n*Mean ± SD
Difference (%)P
CasesControls
Age (y) 57/63 56.2 ± 9.7 57.2 ± 9.5  0.418 
Storage time 57/63 17.7 ± 11.7 13.2 ± 6.8  0.013 
Relative expression (%)      
ERCC1 53/58 1.369 ± 0.401 1.696 ± 0.539 −19.3 <0.001 
XPA 53/61 0.363 ± 0.111 0.424 ± 0.160 −14.4 0.017 
XPC 54/62 1.326 ± 0.650 1.770 ± 0.923 −25.1 0.003 
XPD 52/59 0.947 ± 0.343 1.137 ± 0.584 −19.0 0.037 
XPF 56/62 0.966 ± 0.438 1.297 ± 0.764 −25.5 0.004 
XPG 55/60 1.206 ± 0.453 1.432 ± 0.628 −15.8 0.028 
n*Mean ± SD
Difference (%)P
CasesControls
Age (y) 57/63 56.2 ± 9.7 57.2 ± 9.5  0.418 
Storage time 57/63 17.7 ± 11.7 13.2 ± 6.8  0.013 
Relative expression (%)      
ERCC1 53/58 1.369 ± 0.401 1.696 ± 0.539 −19.3 <0.001 
XPA 53/61 0.363 ± 0.111 0.424 ± 0.160 −14.4 0.017 
XPC 54/62 1.326 ± 0.650 1.770 ± 0.923 −25.1 0.003 
XPD 52/59 0.947 ± 0.343 1.137 ± 0.584 −19.0 0.037 
XPF 56/62 0.966 ± 0.438 1.297 ± 0.764 −25.5 0.004 
XPG 55/60 1.206 ± 0.453 1.432 ± 0.628 −15.8 0.028 
*

Number of cases/controls.

Calculated using two-sided Student's t test.

Expression level relative to that of β-actin.

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