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Table 1 Clinicopathologicial features of all 271 enrolled patients and univariate analyses results (271 patients)

From: Skip metastasis in papillary thyroid carcinoma is difficult to predict in clinical practice

Characteristics LLNM negative LLNM positive Total Univariate analysis p-value
Gender Female 55 152 207 0.313
Male 13 51 64  
Age(year) ≤25 2 19 21 0.087
25–35 8 41 49  
35–45 20 64 84  
45–55 20 49 69  
55–65 10 19 29  
>65 8 11 19  
Age(year) ≤45 30 124 154 0.014*
>45 38 79 117  
Size(cm) ≤0.5 15 10 25 0.000*
0.5–1 21 44 65  
1–1.5 12 40 52  
1.5–2 8 32 40  
>2 12 77 89  
Tumor Spread Absent 65 159 224 0.001*
Present 3 44 47  
Psammoma bodies Absent 66 195 261 1
Present 2 8 10  
Multifocality Single 61 179 240 0.732
Multi 7 24 31  
ETE None 58 127 185 0.000*
ETE 10 76 86  
Location Upper 8 99 107 0.000*
Middle 34 63 97  
Inferior 23 20 43  
Whole 3 21 24  
Location Upper Upper 8 99 107 0.000*
None 60 104 164  
CLNM Absent 50 30 80 0.000*
Present 18 173 191  
  1. *symbol for p < 0.05; ETE extrathyroid extension, CLNM central lymph node metastases, LLNM lateral lymph node metastasis