. 2014 Jun 11;8(2):71–76. doi: 10.5681/joddd.2014.013

Table 2. Descriptive statistics and comparison of nickel ion concentration in the electrolyte (µg/L) between the three wires in the as-received state and after oral simulation .

Type of wire	As-received state			After oral simulation			P-value (t-test)
Type of wire	Mean	SD	Pairwise Comparisons^**	Mean	SD	Pairwise Comparisons^**
Rematitan “Lite”	53.96	16.81	a	21.7	11.90	b	< 0.001^*
Damon Copper NiTi	5.7	1.42	c	7.17	3.60	c	0.104
Supercable	40.3	21.18	b	47.23	17.09	a	0.262
P-value (ANOVA)	< 0.001^*			< 0.001^*
^* Statistically significant difference at p < 0.05
^** Different letters indicate statistically significant differences at p < 0.05