TABLE 2.

Selected Baseline Demographics for Study Population

Primary study population patients
Characteristics	Preperiod N = 2,472	Postperiod N = 2,721	P Value
Age, years (mean)	42.3	43.5	0.541
Male, n (%)	801 (32.4)	895 (32.9)	< 0.001
Secondary study population patients (N = 499)
Age, years (mean)	45.2
Male, n (%)	154 (34.3)
Secondary study population patients: most common problem list designations throughout study duration (patients may have more than 1 designation), %
Chronic pain	24.1
Low back pain	11.3
Spine/lumbar/cervical pain	9.3
Joint pain	6.7
Arthritis	5.4
Cancer	2.3
Nerve pain	2.3
Abdominal/pelvic pain	2.2
Infection	2.1