Table 1.

Comparison of the interview group with the study sample [16].

	Qigong	Exercise therapy	Study population
	Mean (±SD)	Mean (±SD)	Mean (±SD)
	N = 10  8 female, 2 male	N = 10  8 female, 2 male	N = 122  107 female, 25 male
Age (years)	40.6 (±10.3)	44.6 (±9.3)	45.6 (±10.7)
VAS baseline (mm)	60.1 (±13.1)	56.5  (±12.2)	56.2 (±14.1)
Pain duration (years)	3.9 (±1.2)	3.1 (±1.6)	3.2 (±1.6)