Table 2. - Sample characterization according to the presence and intensity of pain upon lidocaine injection, Natal, RN, Brazil, 2014.

Variables	Groups	p-value
	Experimental	Control
Pain upon lidocaine injection (n - %)
	Yes	14	46.7	16	53.3	0.42*
	No	16	57.1	12	42.9
Pain intensity upon lidocaine injection (median - minimum - maximum)	0.0	0.0	9.0	3.0	0.0	8.0	0.27†

* Chi-Squared test † Mann-Whitney (U) test