Table 4.

Comparison of mean scores of different clinical parameters at 21 days and 45 days follow-up period between 3 groups

Variables	Group	n	Mean	SD	SE	Minimum	Maximum	P	Difference	P
21 days follow-up period
GI	Group 1	15	0.75	0.17	0.04	0.5	1.1	0.69	-	-
	Group 2	15	0.77	0.18	0.05	0.4	1.1
	Group 3	15	0.71	0.16	0.04	0.4	0.9
PI	Group 1	15	0.78	0.11	0.03	0.6	0.9	0.53	-	-
	Group 2	15	0.73	0.15	0.04	0.3	0.9
	Group 3	15	0.75	0.11	0.03	0.6	0.9
PPD	Group 1	15	4.23	0.95	0.24	2.95	5.98	0.54	-	-
	Group 2	15	4.02	0.93	0.24	2.45	5.65
	Group 3	15	3.87	0.74	0.19	2.76	5.22
CAL	Group 1	15	4.25	1.11	0.29	2.09	5.56	0.93	-	-
	Group 2	15	4.15	0.70	0.18	2.97	5.34
	Group 3	15	4.13	0.96	0.25	2.53	6.12
45 days follow-up period
GI	Group 1	15	0.85	0.27	0.07	0.5	1.5	0.37	-	-
	Group 2	15	0.79	0.21	0.05	0.4	1.1
	Group 3	15	0.74	0.16	0.04	0.4	0.9
PI	Group 1	15	0.86	0.17	0.04	0.7	1.2	0.41	-	-
	Group 2	15	0.79	0.16	0.04	0.4	1.0
	Group 3	15	0.79	0.13	0.03	0.5	1.1
PPD	Group 1	15	4.47	0.97	0.25	2.88	6.15	0.34	-	-
	Group 2	15	4.11	0.93	0.24	2.64	5.54
	Group 3	15	4.01	0.76	0.20	2.84	5.34
CAL	Group 1	15	4.31	1.12	0.29	2.11	5.8	0.97	-	-
	Group 2	15	4.26	0.72	0.18	3.05	5.46
	Group 3	15	4.22	0.96	0.25	2.67	6.18

*Statistically significant (P<0.05). Group 1 –SRP; Group 2 – SRP + 1% chlorhexidine gel; Group 3 – SRP + 2% nanocurcumin gel; GI – Gingival index; PI – Plaque index; PPD – Probing pocket depth (mm); CAL – Clinical attachment level (mm); SD – Standard deviation; SE – Standard error; P – P value; n – No of subjects