. 2021 Nov 10;13(Suppl 2):S1244–S1250. doi: 10.4103/jpbs.jpbs_307_21

Table 2.

“Comparison of∆E values between bleaching and experimental groups”

Sessions	Group	Mean±SD	F	P
Delt_E_bleaching	Group 1	4.37±2.47	0.802	0.459
	Group 2	4.28±2.06
	Group 3	5.49±2.58
	Total	4.71±2.36
Delt_E_day 7	Group 1	7.73^a±3.79	6.342	0.006
	Group 2	12.29^b±1.55
	Group 3	7.54^a±4.18
	Total	9.19±3.95
Delt_E_day 15	Group 1	7.75^a±4.74	16.859	0.000
	Group 2	15.84^b±3.13
	Group 3	6.29^a±3.85
	Total	9.96±5.73
Test statistics		F (overall)	31.557	0.001
		F (between group)	10.380	0.001

SD: Standard deviation