Short-term outcomes of extracorporeal shock wave therapy for the treatment of chronic non-calcific tendinopathy of the supraspinatus: a double-blind, randomized, placebo-controlled trial

Table 2 Baseline characteristics of the patients

	ESWT (n = 11)	PLACEBO (n = 9)	P value
*Age (years)	50.7 ± 8.44 (38-64)	51.11 ± 13.26 (36-74)	0.938^§
Sex
Men	7	4	0.653^†
Women	4	5
*BMI	27.4 ± 1.04 (26-29.4)	24.4 ± 3.15 (19-29)	0.024^§
*Duration of symptoms (months)	45.36 ± 34.33 (11-131)	61.22 ± 24.04 (34-97)	0.258^§
Affected side
Right	7	6	0.999^†
Left	4	3
Patients with physiotherapy	7	8	0.319^†
Acromion slope
Type I	8	7	0.999^†
Type II	2	2
Type III	1	0

*The values are given as mean ± standard deviation (range).
ESWT, extracorporeal shock wave therapy; BMI, body mass index; ST, supraspinatus tendon.
^§ Unpaired t-test.
^† Monte Carlo or Fisher exact test.
^‡ Mann-Whitney U-test.

ISSN: 1471-2474