CAD present

CAD not present

Total

P value

Total

N=30(%)

N=110(%)

N=140

Percentage

N=140(%)

21.4%

78.6%

100.0%

Sex

Male

28(93.3%)

95(86.6%)

123

0.53

20%

86.3%

87.8%

Female

2(6.6%)

15(13.6%)

17

1.4%

10.7%

12.1%

Age groups (years)

18-39

5(16.6%)

37(33.6%)

42

0.35

3.5%

26.4%

30%

40-59

13(43.3%)

49(44.5%)

62

19.2%

35%

44.2%

≥60

12(40%)

24(21.8%)

36

8.5%

17.1%

25.7%

Literacy status

Literate

23(76.6%)

85(77.2%)

108

0.99

16.4%

60.7%

(77.1%)

Non literate

7(23.3%)

25(22.7%)

32

5%

17.8%

22.8%

Smokeless tobacco

Users

22(73.3%)

49(44.5%)

71

15.7%

35%

50.7%

0.05

Non users

08(26.6%)

61(55.4%)

69

5.7%

43.5%

49.2%

Smokeless tobacco frequency (times per day)

Mean ±SD

4.02+5.3

2.1±2.4

2.19+2.4

0.000001

Duration of SLT use in years

Mean ±SD

6.2+7.95

5.4+6.6

6.1 +7.3

0.19

Quantity of SLT use (in pack years)

Mean ±SD

1.14+ 1.43

1.09+ 1.02

1.09+_1.1

0.05

Smokers

16(53.3%)

44(40%)

60

0.03

11.4%

31.4%

42.8%

Mean ±SD

1.12+ 1.40

1.06+1.04

1.06±1.04

Hypertension present

Yes

21(70%)

44(40.1%)

71

0.012

15%

31.4%

50.7%

No

09(30%)

56(50.9%)

69

15.9%

40%

49.2%

Diabetes

Yes

16(53.3%)

30(27.2%)

46

0.007

11.4%

21.4%

32.8%

No

14(46.6%)

80(72.7%)

94

10%

57.1%

67.1%

Russell index

Mean RI

0.01

≤ 2

3(10%)

30(27.2%)

33

0.04

2.1%

0.7%

(23.5%)

≥ 3

27(90%)

80(72.7%)

107

19.2%

57.1%

(76.4%)

Premalignant lesion

Present

6(20%)

13(11.8%)

19

0.56

4.2%

9.2%

13.5%

Absent

24(80%)

97(88.1%)

121

17.1%

69.2%

86.4%