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Table 2 Patients’ disease and treatment characteristics

From: Does a 6-point scale approach to post-treatment 18F-FDG PET-CT allow to improve response assessment in head and neck squamous cell carcinoma? A multicenter study

CharacteristicNo. of patients (%) n = 119
Median age, years (range)60 (19-84)
Sex
 Male88 (73.9)
 Female31 (26.1)
ECOG performance status 
 080 (67.2)
 135 (29.4)
 24 (3.4)
Charlson comorbidity index (age-adjusted)
 < 453 (44.5)
 4-761 (51.3)
 ≥ 85 (4.2)
Smoking history (pack/years)
 019 (21.2)
 < 1015 (16.6)
 10-2011 (12.2)
 > 2045 (50.0)
Primary tumor
 Oropharynx68 (57.1)
 Larynx19 (15.8)
 Hypopharynx10 (8.5)
 Nasopharynx22 (18.6)
HPV status (oropharynx only)
 Positive32 (47.0)
 Negative22 (32.4)
 Unknown14 (20.6)
T stage at diagnosis (VIIth ed)
 111 (9.3)
 236 (30.2)
 331 (26.0)
 4a/4b41 (34.5)
N stage at diagnosis (VIIth ed)
 026 (21.9)
 119 (16.0)
 2a/2b/2c73 (61.4)
 31 (0.7)
AJCC stage at diagnosis (VIIth ed)
 I-II10 (8.4)
 III27 (22.7)
 IVA76 (63.9)
 IVB6 (5.0)
Primary treatment modality
 RT14 (11.8)
 Induction CT + RT2 (1.7)
 Induction CT + RCT23 (19.3)
 Induction CT + BRT2 (1.7)
 CRT65 (54.6)
 BRT13 (10.9)