Table 1: Characteristics of subjects with sinonasal cancer by gender; Lombardy region sinonasal cancer registry, 2008–2011.

MenWomen valuea
No.%No.%

No. of subjects13710073100
Age (median, min–max)67.731.7–88.568.421.1–94.90.70
Cancer site of origin (ICD-10 code)
 Nasal cavity (C30.0)4432.12737.00.01
 Maxillary sinus (C31.0)2820.42027.4
 Ethmoid sinus (C31.1)3223.456.8
 Frontal sinus (C31.2)00.011.4
 Sphenoid sinus (C31.3)32.268.2
 Multiple sites3021.91419.2
Cancer morphology
 Squamous cell carcinoma5439.43446.60.002
 Adenocarcinoma, unspecified75.134.1
 Adenocarcinoma, intestinal type3626.3811.0
 Adenocarcinoma, nonintestinal type64.422.7
 Adenoid cystic carcinoma85.81216.4
 Neuroendocrine carcinoma107.300.0
 Undifferentiated carcinoma118.079.6
 Other53.734.1
 Unknown00.045.5
Interview
 Patient9770.84764.40.06
 Relative3727.01926.0
 Not performed32.279.6
Cigarette smoking
 Never4029.23446.60.002
 Former (>6 mo. before symptoms)5842.32027.4
 Current3626.31216.4
 Unknown32.279.6
Year of diagnosis
 2008 (complete)3223.42331.50.10
 2009 (complete)5036.52230.1
 2010 (in progress)3727.01216.4
 2011 (in progress)1813.11621.9

ICD-10: International Classification of Diseases, Tenth Edition
aFrom chi-square test, except for age (Mann-Whitney test).