. 2019 Aug 6;19:174. doi: 10.1186/s12903-019-0835-0

Table 6.

The mean, standard deviation (SD) values and results of Kruskal-Wallis and Mann-Whitney U tests for comparison between vital tissue formation inside the pulp space of different groups, subgroups and subdivisions

Time	Intra-canal propolis paste		Intra-canal TAP paste		Positive control	Negative control	P-value
	Propolis plug	MTA plug	Propolis plug	MTA plug	Positive control	Negative control
	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± SD	Mean ± S D
2 W	0.67 ^B ± 0.52	0.67 ^B ± 0.52	0.52 ^B ± 0.42	0.70 ^B ± 0.45	0.00 ± 0.00	0.67 ^B ± 0.52	.053
1 M	1.17 ^Ba ± 0.75	1.50 ^Ba ± 0.55	1.22^Ba ± 0.39	1.56^Ba ± 0.69	0.00^b ± 0.00	1.53 ^Ba ± 0.62	.001*
2 M	1.83 ^Ab ± 0.41	2.00 ^Ab ± 0.00	1.95 ^Ab ± 0.67	2.06 ^Ab ± 0.70	0.00^c ± 0.00	2.50^Aa ± 0.47	.010*
P-value	.002*	.003*	.035*	.016*	1.000	.006*

*: Significant at P ≤ .05, Different small superscripts in the same row are statistically significantly different. Different capital superscripts in the same column are statistically significantly different. TAP: Triple antibiotic paste, MTA: Mineral trioxide aggregates