Table 2. Intragroup comparison of various pain rating scales with Ice Pre -treatment (IP) and without Ice Pre-treatment (WIP) in Group-1 (Infiltration) (Result of Wilcoxon signed rank test) .

		N	Mean rank	z value	p value
VAS_IP – VAS_WIP	Negative Ranks	3	8.83	-5.495	<0.001***
	Positive Ranks	40	22.9
	Ties	7
	Total	50
WBS_IP – WBS_WIP	Negative Ranks	1	13.50	-5.358	<0.001***
	Positive Ranks	37	19.66
	Ties	12
	Total	50
Sound_IP – Sound_WIP	Negative Ranks	1	6.50	-3.000	.003**
	Positive Ranks	12	7.04
	Ties	37
	Total	50
Eye_IP – Eye_WIP	Negative Ranks	0	.00	-5.745	.000***
	Positive Ranks	33	17.00
	Ties	17
	Total	50
Motor_IP – Motor_WIP	Negative Ranks	0	.00	-2.236	.025*
	Positive Ranks	5	3.00
	Ties	45
	Total	50

***very highly significant, ** highly significant, * significant