Impact of Acupuncture Intervention on the Pain Intensity of Patients Treated at a Tertiary Hospital in Brazil

Table 4 Variation of VAS^i-f after treatment with acupuncture.

Variable	N	Mean	SD	Median	Minimum	Maximum	p-value^U
Main complaint
Initial VAS ^(NI=135)	314	7.3	2.2	8.0	0.0	10.0	<0.001
Final VAS ^(NI=142)	307	3.2	3.0	2.0	0.0	10.0
Secondary complaints
Initial VAS ^(NI=250)	325	6.5	2.4	7.0	0.0	10.0	<0.001
Final VAS ^(NI=254)	321	3.1	3.0	3.0	0.0	10.0

Source: 2016 Field Survey; SD - Standard deviation; NI - Not informed; VAS - Visual Analogue Scale; ^U - Mann-Whitney U test.

ISSN: 3059-4049