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. 2017 Mar 23;17:69. doi: 10.1186/s12903-017-0351-z

Table 2.

Percentages and frequencies of recognized signs, symptoms and risk factors of oral cancer

Signs and symptoms Totals % (n) Risk factors Totals % (n)
Dry mouth Use of Toombak
No 55.8(279) No 4.6(23)
Yes 44.2(221) Yes 95.4(477)
Bleeding Smoking
No 45.8(229) No 10.8(54)
Yes 54.2(271) Yes 89.2(446)
Burning sensation Alcohol
No 58.6(293) No 20.6(103)
Yes 41.4(207) Yes 79.4(397)
Numbness Family history
No 50.8(254) No 72.6(363)
Yes 49.2(246) Yes 27.4(137)
Difficulty in chewing Exposure to sun
No 48.9(244) No 80.6(403)
Yes 51.1(255) Yes 19.4(97)
Difficulty in swallowing Aging
No 51.2(256) No 69.4(347)
Yes 48.8(244) Yes 30.6(153)
Soreness in mouth Bad oral hygiene
No 37.5(187) No 29.4(147)
Yes 62.5(312) Yes 70.6(353)
Teeth loosing Chronic irritation
No 46.6(233) No 71.8(359)
Yes 53.4(267) Yes 28.2(141)
Pain Sedentary life
No 48.9(244) No 83.6(418)
Yes 51.1(255) Yes 16.6(82)
White patches Spicy food
No 36.3(181) No 69.8(349)
Yes 63.7(318) Yes 30.2(151)
Swelling Spiritual
No 45(225) No 78(390)
Yes 55(275) Yes 22(110)
Change in color
No 35(175)
Yes 65(325)
Ulcer
No 32.8(164)
Yes 67.2(336)