Table 1

Characteristics of patients with non specific chronic low back pain before treatment in continuous ultrasound and placebo ultrasound groups
Parameter Continuous US* Placebo US P value***
(n=25) (n=25)
Mean SD Mean SD
Age(years) 31.4 12.3 37.4 11.9 .09
Onset since first episode(years) 5.8 4.1 8.1 4.7 .08
BMI** 24.4 4.1 25.3 3.5 .39
Sex 25%female _ 75%male 50%female _ 50%male

* Ultrasound.

** Body Mass Index.

***p values are for baseline differences between the two groups. Significance level ≤ .05.

Ebadi et al.

Ebadi et al. BMC Musculoskeletal Disorders 2012 13:192   doi:10.1186/1471-2474-13-192

Open Data