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Table 1 Demographics and clinical characteristics of PTC patients (n = 378)

From: A nomogram to predict skip metastasis in papillary thyroid cancer

Variable Results
Sex
 Male 114 (30.16%)
 Female 264 (69.84%)
Age
55 years 42 (11.11%)
 < 55 years 336 (88.89%)
Age (mean ± SD, years) 39.96 ± 11.73
 Multifocality
  Yes 84 (22.22%)
  No 294 (77.78%)
 Bilaterality
  Yes 117 (30.95%)
  No 261 (69.05%)
Primary tumor location
 Upper 92 (24.34%)
 Middle 180 (47.62%)
 Lower 106 (28.04%)
HT
 Yes 87 (23.16%)
 No 291 (76.98%)
ETE
 Yes 69(18.25%)
 No 309(81.75%)
Capsule invasion
 Yes 95 (25.13%)
 No 283(74.87%)
Tumor extension
 T1 219 (57.94%)
 T2 48 (12.70%)
 T3 83 (21.96%)
 T4 28 (7.41%)
Primary tumor size 1 cm
 Yes 142 (37.57%)
 No 236 (62.43%)
Total tumor size (mean ± SD, cm) 1.56 ± 0.96
Skip metastasis
 Yes 44(11.6%)
 No 334(88.4%)
Number of central dissected lymph nodes 7.51 ± 5.08
Number of lateral dissected lymph nodes 18.25 ± 12.59
  1. HT Hashimoto’s thyroiditis, ETE extrathyroidal extension, SD standard deviation