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Table 3 Univariate survival analysis of different prognostic factors in 201 patients with NPC

From: p53R2 as a novel prognostic biomarker in nasopharyngeal carcinoma

Variable All cases Mean survival (months) Chi-square value P-value
Gender    2.291 0.130
 Male 144 125.36   
 Female 57 142.17   
Age    6.644 0.010
 ≤45.89 104 141.09   
 >45.89 97 118.95   
Clinical stage    5.310 0.021
 I-II 39 149.60   
 III-IV 162 126.65   
T stage    4.323 0.038
 T1 + T2 64 142.54   
 T3 + T4 137 123.32   
N stage    3.915 0.048
 N0 28 146.06   
 N1 + N2 + N3 173 129.18   
Therapy    2.841 0.417
 Regimen 1 50 122.82   
 Regimen 2 72 133.64   
 Regimen 3 31 127.82   
 Regimen 4 48 122.49   
Relapse    32.95 0.000
 No 171 138.15   
 Yes 30 91.75   
Expression     
 Low 124 121.63 6.347 0.012
 High 77 143.32