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Table 1 Descriptive characteristics of the included patients

From: Predictors of distant metastasis in parotid acinic cell carcinoma

Characteristics N (%)
Age
  < 55 74 (51.4%)
  ≥ 55 70 (48.6%)
Sex
 Male 61 (42.3%)
 Female 83 (57.6%)
Tumor stage
 T1 42 (29.2%)
 T2 61 (42.4%)
 T3 27 (18.8%)
 T4 14 (9.7%)
Neck node stagea
 N0 46 (55.4%)
 N+ 37 (44.6%)
Margin
 Clear 140 (97.2%)
 Positive 4 (2.8%)
Tumour site
 Superficial 131 (91.0%)
 Deep 13 (9.0%)
Perineural invasion 27 (18.8%)
Lymphovascular invasion 21 (14.6%)
High grade transformation 12 (8.3%)
IPN metastasisb 34 (31.8%)
  1. aOnly patients undergoing neck dissection were analyzed
  2. bIPN: intraparotid node metastasis, only patients with IPN information were analyzed