. 2017 May 11;5(2):e11. doi: 10.2196/medinform.7271

Table 2.

NRS scores pre-post VR exposure Wilcoxon signed ranks test.

Value	Post1 - Pre1	Post2 - Pre2	Post3 - Pre3	Post4 - Pre4	Post5 - Pre5	Post6 - Pre6	Post7 - Pre7	Post8 - Pre8	Post9 - Pre9	Post10 - Pre10	Post11 - Pre11	Post12 - Pre12
Z	.000^a	−1.414^b	−.322^b	−1.633b	.000^a	−1.841^b	.000^a	−.680^b	−1.289^b	.000^a	−.816^b	−.816^b
Asymptotic Significance (2-tailed)	>.99	.16	.75	.10	>.99	.07	>.99	.50	.20	>.99	.41	.41

^aThe sum of negative ranks equals the sum of positive ranks.

^bBased on positive ranks.