The Effectiveness of Ultrasound-Guided Steroid Injection Combined with Miniscalpel-Needle Release in the Treatment of Carpal Tunnel Syndrome vs. Steroid Injection Alone: A Randomized Controlled Study

Table 1

Demographic characteristics of the two groups at baseline.

Demographic Characteristics	Group A; (n=23)	Group B; (n=23)	Significance of Shapiro-Wilk test		Significance of Levene’s Test for Equality of Variances	Significance of test or chi-square test
			Group A	Group B
Age (y)	48.7±15.2	53.1±14.6	0.397	0.329	0.968	0.323
Sex (female/male)	18/5	17/6				0.730
Body mass index (kg/m^2)	24.1±1.7	24.7±1.6	0.340	0.599	0.696	0.253
Symptom duration (m)	10.2±3.5	11.1±2.8	0.686	0.565	0.188	0.333

Note. Group A was steroid injection combined with MSN release group. Group B was steroid injection group. The demographic characteristics of the two groups at baseline were described using Mean ± Standard Deviation (SD). There was no significant difference between Group A and Group B.