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Table 4 Univariate survival analyses (Kaplan-Meier): survival time of all patients with SSCC according to clinicopathological factors and DJ-1 expresion

From: Tumorigenesis role and clinical significance of DJ-1, a negative regulator of PTEN, in supraglottic squamous cell carcinoma

Overall survial
Characteristic No.of cases No.of events 5-year survival Rate ( ± SE) P
DJ-1 expression     0.007
 Low-grade 18 7 88.0 ± 8.0  
 High-grade 34 21 53.9 ± 5.7  
Age     0.244
 ≤61 25 11 72.2 ± 7.9  
 > 61 27 17 58.5 ± 7.0  
pT status     0.037
 Tis-2 15 5 87.0 ± 10.3  
 T3-4 37 23 57.5 ± 5.5  
pN status     0.042
 N0 24 12 76.0 ± 7.7  
 N1-3 28 16 52.8 ± 5.6  
UICC stage     0.027
 0-II 10 3 99.5 ± 8.4  
 III-IV 42 25 58.5 ± 5.4  
Histological grade     0.597
 G1 17 9 68.9 ± 9.4  
 G2-3 35 19 62.8 ± 6.4