| 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 | Â | Â | 0.169 | Â | Â |
Present | 14 (26.4%) | 91 (35.7%) | |||
Absent | 39 (73.6%) | 164 (64.3%) | |||
Lymphvascular Invasion | Â | Â | 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 | Â | Â | 0.005 | 0.016 | 0.026 to approximately 0.250 |
Present | 25 (47.2%) | 26 (10.2%) | |||
Absent | 28 (52.8%) | 229 (89.8%) | Â | Â | Â |