Comparison of single-dose radial extracorporeal shock wave and local corticosteroid injection for treatment of carpal tunnel syndrome including mid-term efficacy: a prospective randomized controlled trial

Table 3 Comparison of post-treatment values of outcome variables between both groups in each follow-up peroid

Outcome variable	Follow-up sessions	Coefficeint (rESWT^a VS LCsI^b)	p value	95% CI
Outcome variable	Follow-up sessions	Coefficeint (rESWT^a VS LCsI^b)	p value	ᅟ
Visual analogue scale	Baseline to week 1	−0.10	0.90	−1.7 to 1.5
	Week 1 to week 4	0 .049	0.95	− 1.6 to 1.7
	Week 4 to week 12	−1.0	0.23	−2.7 to 0.63
	Week 12 to week 24	−1.2	0.17	− 2.9 to 0.49
Symptom severity score	Baseline to week 1	2.6	0.27	−2.0 to 7.2
	Week 1 to week 4	1.5	0.53	−3.2 to 6.1
	Week 4 to week 12	−1.9	0.43	−6.5 to 2.8
	Week 12 to week 24	−5.1	0.036^*	−9.8 to −0.33
Functional score	Baseline to week 1	0.43	0.81	−3.1 to 3.9
	Week 1 to week 4	−0.20	0.91	−3.7 to 3.3
	Week 4 to week 12	−1.8	0.32	−5.3 to 1.7
	Week 12 to week 24	−4.5	0.015^*	−8.1 to −0.87
Boston questionnaire score	Baseline to week 1	3.0	0.43	−4.5 to 11
	Week 1 to week 4	1.3	0.74	−6.2 to 8.8
	Week 4 to week 12	−3.7	0.34	−11 to 3.8
	Week 12 to week 24	−9.5	0.015^*	−17 to − 1.9
Peak sensory distal latency	Baseline to week 12	−0.24	0.022^*	− 0.44 to − 0.034
SNAP^c amplitude	Baseline to week 12	−2.8	0.36	−8.9 to 3.2
Motor distal latency	Baseline to week 12	−0.038	0.84	−0.41 to 0.33
CMAP^d amplitude	Baseline to week 12	−0.44	0.34	−1.4 to 0.46

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