Table 3.

Comparison of gingival index and plaque index scores between study groups

	Test group	Control group	t	P	Mean difference	SE difference
GI 1	1.8581±0.22120	1.9582±0.13497	−1.81	0.07	−0.10009	0.05525
GI 2	1.7509±0.20090	1.7945±0.12031	−0.87	0.38	−0.04364	0.04992
GI 3	1.4070±0.16727	0.7481±0.17397	12.35	0.000*	0.65890	0.05335
PI 1	2.758±0.6884	2.655±0.442	0.590	0.558	0.10295	0.17448
PI 2	0.313±0.0921	0.426±0.1783	−2.641	0.01*	−0.11305	0.04280
PI 3	0.790±0.2051	0.471±0.228	4.69	0.000*	0.31905	0.06798

*P<0.05 statistically significant at 95% CI, unpaired t-test. Baseline measurement (1); After 7 days (2); After 15 days (3). GI – Gingival index; PI – Plaque index; SD – Standard deviation; CI – Confidence interval; SE – Standard error; t - t statistic; P – level of statistical significance