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. 2019 Nov 21;14(11):e0224793. doi: 10.1371/journal.pone.0224793

Table 6. Descriptive statistics and Kruskal-Wallis test results on the percentages of gutta-percha, sealer and voids according to level of sections in C2-type.

		Gutta-Percha			Sealer			Voids
	n	Median	IQR	p	Median	IQR	p	Median	IQR	p
2mm
R-LC	5	78.33^a	9.43	< .01	20.54^a	9.43	< .01	0.00	0.56	.29
H-LC	5	76.67^a	7.39		23.32^a	7.40		0.00	0.00
R-CW	5	93.43^a	5.75		6.02^a	6.25		0.37	0.57
H-CW	5	94.09^a	9.53		5.90^a	8.94		0.00	1.58
4mm
R-LC	5	86.21^a	8.42	< .01	13.78^a	8.69	< .01	0.00	0.26	.25
H-LC	5	87.25^a	3.17		12.74^a	3.17		0.00	0.00
R-CW	5	97.91^a	2.16		1.71^a	1.75		0.00	0.59
H-CW	5	96.91^a	7.77		3.08^a	7.76		0.00	0.00
6mm
R-LC	5	75.06^a	10.70	< .01	24.93^a	10.83	< .01	0.00	0.13	.07
H-LC	5	76.94^a	5.63		22.74^a	5.52		0.81	0.95
R-CW	5	96.95^a	4.12		3.04^a	4.16		0.00	0.27
H-CW	5	93.33^a	2.16		1.11^a	2.17		0.00	0.29
Total
R-LC	5	81.05^a	7.98	< .01	18.94^a	7.98	< .01	0.12	0.24	.70
H-LC	5	80.23^a	4.00		19.26^a	5.57		0.40	0.45
R-CW	5	96.38^a	1.98		3.59^a	2.05		0.23	0.17
H-CW	5	97.16^a	4.19		2.26^a	3.95		0.01	0.53

^a Statistically significant difference between groups at level of p < .01