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Table 2 The number and percentage of patients/subjects with the studied observations of this study in control, NPC, CL, and HPC groups

From: The distinctive profile of risk factors of nasopharyngeal carcinoma in comparison with other head and neck cancer types

Variable NPC N(%) CL N(%) HPC N(%) Control N(%)
Histopathology of tumors:     
SCC 12 (28.5) 57 (86.3) 14 (100) -
LE 30 (71.4) 6 (9%) 0 -
adenocarcinoma 0 3 (4.5) 0 -
Regular smokers 36 (85.7) 47 (71.2) 4 (28.6) 25 (36.7)
Regular alcohol consumers 18 (42.8) 10 (15.1) 3 (21.4) 9 (13.3)
SCC in the regular alcohol consumers 9 (50) - - -
SCC in the non-regular alcohol consumers 3 (12.5) - - -
HNCA-positive family history 6 (14.3) 33 (50%) 9 (64.3) -