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Table 2 Correlation analysis of clinicopathological factors and metastasis at each level

From: Analysis of factors influencing cervical lymph node metastasis of papillary thyroid carcinoma at each lateral level

  Age Sex Size Multifocal or unifocal Side Location Capsular invasion CLN
Level IIa r 0.018 − 0.016 0.010 0.163* 0.067 − 0.063 0.076 0.044
P 0.804 0.824 0.893 0.020 0.345 0.373 0.279 0.529
Level III r 0.105 0.045 0.080 0.021 − 0.004 − 0.168* 0.085 0.082
P 0.134 0.525 0.259 0.770 0.959 0.017 0.231 0.248
Level IV r 0.024 0.058 0.164* 0.119 − 0.026 0.087 0.116 0.189**
P 0.736 0.407 0.020 0.092 0.710 0.217 0.100 0.007
Level Vb r 0.002 0.039 0.092 0.143* 0.018 − 0.022 0.022 0.069
P 0.982 0.580 0.190 0.041 0.801 0.752 0.757 0.329
  1. − 0.500 < r < 0.500 or : weakly correlations
  2. *= 0.05 **P = 0.01