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Table 1 Etiologic factors in OSMF patients

From: Effectiveness of Pentoxifylline in the treatment of oral submucous fibrosis patients: a case-control study

ETIOLOGIC FACTOROSMF Grade IOSMF Grade IIOSMF Grade III
MaleFemaleMaleFemaleMaleFemale
Tobacco with lime (Zarda)605162
Paan with tobacco302042
Paan without tobacco101000
Plain areca nut Processed203100
Plain areca nut Unprocessed003031
Pan masala with tobacco (Gutkha)5114152
Pan masala without tobacco (Gutkha)102010
No Habits110000