Periodontal Status amongst Substance Abusers in Indian Population : Table 2

Table 2: Comparison of mean OHI-S score, Russell’s Periodontal Index and gingival bleeding score between study and control group by age.


Age		N	Mean OHI-S score	Mean Russell’s Index	Mean bleeding on probing

<20 yrs	Control	7	0.914	1.486	16.29
<20 yrs	Substance abusers	9	1.789	2.256	13.44
20–29 yrs	Control	60	2.010	2.043	21.68
20–29 yrs	Substance abusers	54	2.306	2.831	14.20
30–39 yrs	Control	91	2.431	2.443	23.60
30–39 yrs	Substance abusers	86	2.752	3.479	8.07
40–49 yrs	Control	58	2.757	2.993	23.62
40–49 yrs	Substance abusers	71	2.928	4.007	8.89
50–59 yrs	Control	24	3.063	3.450	22.54
50–59 yrs	Substance abusers	23	3.113	5.270	8.00
≥60 yrs	Control	10	3.220	3.580	20.10
≥60 yrs	Substance abusers	7	2.743	6.086	3.71