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Table 4 Univariate and multivariate analysis of Delphian lymph node metastasis in patients with papillary thyroid cancer

From: Experience and analysis of Delphian lymph node metastasis in patients with papillary thyroid carcinoma

  Delphian lymph node metastasis Univariate analysis Multivariate analysis
  Present (n = 53) Absent (n = 255) P-value P-value CI
Age 44.7 ± 12.1 (19 to 73) 46.9 ± 10.6 (18 to 75) 0.175   
<45 29 (54.7%) 104 (40.8%)
≥45 24 (45.3%) 151 (59.2%)
Multifocality 1.8 (1 to 11] 1.0 (1 to 10] 0.001 0.268 −0.034 to approximately 0.009
Tumor size(mm) 15.7 ± 10.4 (2 to 58) 10.5 ± 6.3 (0.5 to 38) 0.003 0.135 −0.010 to approximately 0.009
≤1 18 (34.0%) 143 (56.0%)
>1 35 (66.0%) 112 (44.0%)
Thyroditis    0.169   
Present 14 (26.4%) 91 (35.7%)
Absent 39 (73.6%) 164 (64.3%)
Lymphvascular Invasion    0.001 0.005 0.047 to approximately 0.262
Present 30 (56.6%) 32 (12.5%)
Absent 23 (43.4%) 223 (87.5%)
Capsule Invasion    0.001 0.849 −0.066 to approximately ~0.080
Present 42 (79.2%) 131 (51.4%)
Absent 11 (20.8%) 124 (48.6%)
Central metastasis 53 88 0.001 0.001 0.157 to approximately 0.339
Contralateral central metastasis 28 (52.8%) 36 (14.1%)
Ipsilateral central metastasis 19 (35.8%) 52 (20.4%)
Non-metastasis 6 (11.3%)* 167 (65.6%)
Lateral metastasis    0.005 0.016 0.026 to approximately 0.250
Present 25 (47.2%) 26 (10.2%)
Absent 28 (52.8%) 229 (89.8%)    
  1. *six patients only Delphian lymph node metastasis.