Table 2.

Effect of RV on the periodontal status of patients with aggressive periodontitis.

Parameters	Placebo (n = 40)	LRV (n = 40)	MRV (n = 40)	HRV (n = 40)
CAL	6.06 ± 0.37	4.18 ± 0.75∗∗	3.76 ± 0.88∗∗#	3.15 ± 0.96∗∗#
BI	82.32 ± 7.80	47.20 ± 5.44∗∗	40.35 ± 6.12∗∗#	37.63 ± 7.20∗∗#
OHI-S	4.40 ± 0.63	2.82 ± 0.52∗∗	1.97 ± 0.45∗∗#	1.72 ± 0.50∗∗#
PPD	5.74 ± 0.50	2.82 ± 0.62∗∗	2.15 ± 0.42∗∗#	2.00 ± 0.40∗∗#

Data are expressed as mean ± SD and analyzed using ANOVA with Dunn's multiple comparisons.

BI = bleeding index, CAL = clinical attachment level, HRV = high dose RV, LRV = low dose RV, MRV = middle dose RV, OHI-S = oral hygiene index-simplified, PPD = probing pocket depth,

^∗∗P < .01 vs. placebo. ^#P < .05 vs. LRV.