. 2023 Oct 9;13(5):e136260. doi: 10.5812/aapm-136260

Table 2. Pain Score Changes in the Included Studies.

Study	Outcome Measure	Study Design	Intervention Group Pain Score	Control Group Pain Score	P-Value
Yuan et al. ( 15 )	Visual Analog Scale (VAS)	Randomized clinical trial (RCT)	Pre: 6.42 (± 1.11)	Pre: 5.97 (± 1.51)	0.024
Yuan et al. ( 15 )	Visual Analog Scale (VAS)	Randomized clinical trial (RCT)	Post: -2.53 (± 2.48) ^a	Post: -0.53 (± 1.57) ^a	0.024
Egila et al. ( 16 )	VAS	Case-control	Pre: 8.73 (± 0.46)	Pre: 8.45 (± 0.60)	0.000
Egila et al. ( 16 )	VAS	Case-control	Post: 5.14 (± 1.08)	Post: 6.40 (± 0.60)	0.000
Taheri et al. ( 17 )	VAS, Neuropathic Pain Scale (NPS)	RCT	Pre: 6.7 (± 1.2)	Pre: 7 (± 1.1)	0.001
Taheri et al. ( 17 )	VAS, Neuropathic Pain Scale (NPS)	RCT	Post: 2.1 (± 1.2)	Post: 5 (± 1.5)	0.001
Ghasemi et al. ( 7 )	VAS; NPS	RCT	35% pain reduction after the intervention	Data not provided	-
Salehi et al. ( 18 )	VAS	RCT	_	_	0.001

^a Change in VAS.