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Table 1 Baseline characteristics of 72 patients with locally advanced head and neck squamous cell carcinoma according to whether they achieved pathological complete remission (pCR)

From: Prognostic impact of pathological complete remission after preoperative irradiation in patients with locally advanced head and neck squamous cell carcinoma: re-analysis of a phase 3 clinical study

CharacteristicpCR (n = 25)Non-pCR (n = 47)p-value
n%n%
Gender
 Male2235.54064.50.735
 Female330.0770.0 
Median age (years)55 55  
Primary site
 Oral cavity430.8969.20.869
 Oropharynx430.8969.2 
 Larynx/Hypopharynx1737.02963.0 
T stage
  T1150.0150.00.218
  T2763.6436.4 
  T3735.01365.0 
  T4a926.52573.5 
  T4b120.0480.0 
N stage
  N0225.0675.00.266
 N1110.0990.0 
 N21840.92659.1 
 N3440.0660.0 
Clinical group
 III114.3685.70.463
 IVA922.53177.5 
 IVB533.31066.7 
Concurrent chemotherapy
  Yes1027.02773.00.158
  No1542.92057.1 
Radiotherapy technique
 2D1429.83370.20.228
  IMRT1144.01456.0 
  1. 2D Two dimensional, IMRT Intensity-modulated radiotherapy