Table 1.

Comparison of mean between group A and group B.

Periodontal parameters	Group	N	Mean	Std. deviation	Std. error mean	t-value	p-value
PI-0	Group A	30	2.47	0.51	0.09	0.766	0.447
	Group B	30	2.57	0.50	0.09
PI-1	Group A	30	1.10	0.48	0.09	0	1
	Group B	30	1.10	0.55	0.10
PI-2	Group A	30	0.87	0.43	0.08	0.288	0.774
	Group B	30	0.83	0.46	0.08
GBI-0	Group A	30	2.43	0.50	0.09	0.255	0.799
	Group B	30	2.47	0.51	0.09
GBI-1	Group A	30	0.83	0.46	0.08	0.479	0.634
	Group B	30	0.90	0.61	0.11
GBI-2	Group A	30	0.30	0.47	0.09	1.733	0.088
	Group B	30	0.53	0.57	0.10
PD-0	Group A	30	5.67	0.84	0.15	0.444	0.658
	Group B	30	5.57	0.90	0.16
PD-1	Group A	30	3.30	0.84	0.15	0.437	0.664
	Group B	30	3.40	0.93	0.17
PD-2	Group A	30	2.17	0.38	0.07	2.339	0.023
	Group B	30	2.50	0.68	0.12
CAL-0	Group A	30	3.63	0.85	0.16	0.953	0.345
	Group B	30	3.40	1.04	0.19
CAL-1	Group A	30	1.33	0.80	0.15	0.29	0.773
	Group B	30	1.40	0.97	0.18
CAL-2	Group A	30	0.23	0.43	0.08	2.039	0.046
	Group B	30	0.53	0.68	0.12

Significant difference can be seen in group A and B with higher value in group B in PD-2 and CAL-2 as p-value is less than 0.05. But nonsignificant difference in other variables at all time points with p-value greater than 0.05. Bold signifies P < 0.05.

PI, plaque index, GI, gingival index, GBI, gingival bleeding index, PD, probing depth, CAL, clinical attachment level 0: Baseline, 1: at 1 month post therapy, 2: at 6 months post therapy.