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Table 1 Clinical characteristics of patients according to CCL17 expression

From: Low CCL17 expression associates with unfavorable postoperative prognosis of patients with clear cell renal cell carcinoma

Characteristics Patients CCL17 expression
n % Low High P-value
All patients 286 100 143 143  
Age, years     0.811a
 mean ± SD 55.37 ± 13.24 55.69 ± 13.46 55.05 ± 13.06  
Gender      0.368b
 Female 87 30.4 47 40  
 Male 199 69.6 96 103  
Tumor size, cm      0.173a
 mean ± SD 4.81 ± 2.67 5.04 ± 2.76 4.58 ± 2.56  
Pathological T stage      0.301c
 pT1 181 63.3 85 96  
 pT2 26 9.1 16 10  
 pT3 75 26.2 40 35  
 pT4 4 1.4 2 2  
Pathological N stage      1.000b
 pNx 240 83.9 120 120  
 pN0 44 15.4 22 22  
 pN1 2 0.7 1 1  
Distant metastasis      0.063b
 No 271 94.8 132 139  
 Yes 15 5.2 11 4  
TNM stage      0.122c
 I 175 61.2 79 96  
 II 23 8.0 13 10  
 III 69 24.1 35 34  
 IV 19 6.6 14 5  
Fuhrman grade      0.456c
 1 32 11.2 17 15  
 2 209 73.1 99 110  
 3 41 14.3 25 16  
 4 4 1.4 2 2  
Necrosis      0.866b
 Absent 245 85.7 123 122  
 Present 41 14.3 20 21  
ECOG PS      0.003b
 0 208 72.7 93 115  
  ≥ 1 78 27.3 50 28  
UISS category      0.277c
 Low risk 119 41.6 54 65  
 Mediate risk 127 44.4 63 64  
 High risk 40 14.0 24 16  
SSIGN category      0.143c
 0–3 218 76.2 105 113  
 5–7 62 21.8 33 29  
 8+ 6 2.1 5 1  
  1. ECOG PS Eastern Cooperative Oncology Group performance status
  2. P-value < 0.05 was regarded as statistically significant
  3. aMann-Whitney U test for continuous variables, bχ2 test or Fisher’s exact test, cCochran-Mantel-Haenszel χ 2 test