Comparison of Whole-Body Electromyostimulation versus Recognized Back-Strengthening Exercise Training on Chronic Nonspecific Low Back Pain: A Randomized Controlled Study

Table 5

Training characteristics and confounders with potential impact of the study endpoints.

Variable	CT n = 55	WB-EMS n = 55
Dropout rate (n)	8	7	0.784
Attendance (%)	87.2 ± 8.5	92.0 ± 7.4	0.004
Total training time (min)	471.1 ± 45.8	200.1 ± 22.6	0.001
Changes of acute intake of analgesics (n)	17 ⟶ 8	15 ⟶ 9	0.791