From: A study on genetic polymorphism in Matrix Metalloproteinases-3 in oral submucous fibrosis patients and in healthy individuals
Quantity (No of packets per day)
5A/5A
5A/6A
6A/6A
Less than five
3
4
10
More than 5
0
1
12
Controls
2
18
p- value
0.045
0.37
0.02