Table 1.

Pain evaluation between groups (VAS)

		Group					Mann Whitney U Test
		n	Mean	Min	Max	SD	Mean Rank	U	P
6 hour	PRF+	30	42.7	3.0	98.0	27.5	31.4	424.5	0.706
	PRF-	30	40.0	0.0	96.0	26.3	29.7
	Total	60	41.3	0.0	98.0	26.7
12 hour	PRF+	30	36.1	0.0	99.0	28.5	32.5	390	0.374
	PRF-	30	30.0	0.0	100.0	28.9	28.5
	Total	60	33.0	0.0	100.0	28.6
1st day	PRF+	30	25.0	0.0	99.0	26.3	32.4	393.5	0.398
	PRF-	30	20.9	0.0	83.0	26.1	28.6
	Total	60	23.0	0.0	99.0	26.0
2nd day	PRF+	30	15.8	0.0	100.0	20.9	31.5	420.5	0.655
	PRF-	30	13.8	0.0	69.0	18.4	29.5
	Total	60	14.8	0.0	100.0	19.6
3rd day	PRF+	30	7.9	0.0	51.0	12.1	30.2	439.5	0.864
	PRF-	30	8.0	0.0	42.0	12.3	30.9
	Total	60	8.0	0.0	51.0	12.1
7th day	PRF+	30	1.0	0.0	12.0	3.0	31.0	434.5	0.681
	PRF-	30	0.8	0.0	11.0	2.7	30.0
	Total	60	0.9	0.0	12.0	2.8