BioMed Research International

Research Article

The Therapeutic Effects of Extracorporeal Shock Wave Therapy (ESWT) on the Rotator Cuff Lesions with Shoulder Stiffness: A Prospective Randomized Study

Table 2

The visual analogue scale (VAS), muscle power of abduction, and Constant and Murley score (CMS) for the subjects receiving ESWT and sham interventions.
(a) Baseline profiles
OutcomeESWT groupSham group value
No. of patients1918
VAS6.0 (5.0, 7.8)5.5 (3.3, 7.8)0.807
Muscle power (lb)15.0 (14.0, 20.0)15.0 (13.25, 15.75)0.089
CMS44.0 (40.0, 55.0)44.5 (37.25, 52.25)0.470
(b) One week after intervention
OutcomeESWT groupSham group value
No. of patients1918
VAS5.0 (4.0, 7.0)5.5 (3.0, 6.8)0.640
Muscle power (lb)16.5 (15.0, 20.75)15.0 (13.0, 17.0)0.051
CMS52.5 (45.5, 60.5)52.5 (45.0, 58.75)0.450
(c) Four weeks after intervention
OutcomeESWT groupSham group value
No. of patients1917
VAS5.0 (2.3, 7.0)3.0 (2.0, 6.0)0.467
Muscle power (lb)18.0 (15.0, 20)16.0 (14.0, 18.0)0.252
CMS60.0 (50.5, 71.0)57.0 (54.0, 67.0)0.430
(d) Three months after intervention
OutcomeESWT groupSham group value
No. of patients1815
VAS1.0 (0.0, 2.0)3.0 (1.5, 4.0)0.089
Muscle power (lb)18.5 (16.0, 20.0)16.0 (15.0, 19.0)0.199
CMS76.0 (59.0, 82.5)70.0 (57.5, 72.5)0.160
(e) Six months after intervention
OutcomeESWT groupSham group value
No. of patients1615
VAS0.0 (0.0, 0.3)1.0 (0.0, 2.0)0.012
Muscle power (lb)20.0 (19.5, 20.0)18.0 (16.5, 20.0)0.034
CMS87.0 (77.5, 91.0)76.0 (71.3, 78.8)0.026
(f) 12 months after intervention
OutcomeESWT groupSham group value
No. of patients1615
VAS0.0 (0.0, 0.0)0.5 (0.0, 2.0)0.025
Muscle power (lb)20.0 (20.0, 22.3)17.5 (16.0, 20.0)0.002
CMS91.5 (89.8, 95.0)85.0 (72.0, 87.0)0.005
CMS: Constant and Murley score; ESWT: extracorporeal shockwave therapy; VAS: visual analogue scale.