Table 2: Scheme of calculations and distribution
of population (cases and controls) as per the Russell Index score.
Russell’s Index Score |
Cases |
Control |
Stages -0 Clinically normal periodontal tissues (0-0.2) |
0 |
0 |
Stage -1 Simple gingivitis (0.3-0.9) |
0 |
11(10%) |
Stage-2 Beginning Destructive (1-1.9) |
3(10%) |
19 (17.2%) |
Stage -3 Established destructive periodontal disease (2-4.9) |
17(56%) |
68(61.8%) |
Stage-4 Terminal Periodontal Disease (5-8) |
10(33.3%) |
12(10.9%) |