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Table 1 Demographic and clinicopathological data of 215 patients with major salivary gland carcinoma

From: Outcome analysis of 215 patients with parotid gland tumors: a retrospective cohort analysis

Variable   Number of patients (%)
Total = 215
Morphology Acinic carcinoma 62 (28.84 %)
  Adenocarcinoma 19 (8.84 %)
  Adenoid cystic carcinoma 20 (9.30 %)
  Basal cell adenocarcinoma 7 (3.26 %)
  Carcinoma-ex pleomorphic 18 (8.37 %)
  Mucoepidermoid carcinoma 70 (32.56 %)
  Salivary duct carcinoma 19 (8.84 %)
Pathological Tumor classification T1 68 (34.17 %)
  T2 61 (30.65 %)
  T3 48 (24.12 %)
  T4a 20 (10.05 %)
  T4b 2 (1.01 %)
  na 16 (7.44 %)
Pathological Lymph node status N0 126 (70.79 %)
  N+ 52 (29.21 %)
  na 37 (17.2 %)
Pathological Staging I 64 (33.51 %)
  II 46 (24.08 %)
  III 40 (20.94 %)
  IVa 41 (21.47 %)
  na 24 (11.16 %)
Pathological Grading I 94 (45.41 %)
  II 34 (16.43 %)
  III 79 (38.16 %)
  na 8 (3.72 %)
Margin status negative 121 (61.11 %)
  positive 77 (38.89 %)
  na 17 (7.90 %)
Perineural invasion negative 144 (73.10 %)
  positive 53 (26.90 %)
  na 18 (8.37 %)
Lymphovascular invasion negative 154 (79.38 %)
  positive 40 (20.62 %)
  na 21 (9.76 %)
Extracapsular extension negative 169 (88.48 %)
  positive 22 (11.52 %)
  na 24 (11.16 %)
Periparotid lymph node involvement negative 167 (82.67 %)
  positive 35 (17.33 %)
  na 13 (6.04 %)
  1. na = not available