Symptom Burden, Medication Detriment, and Support for the Use of the 15D Health-Related Quality of Life Instrument in a Chronic Pain Clinic Population

Table 1

Summary of participant characteristics.

Variable	Mean	Std Dev	Median	IQR	Minimum	Maximum
Age (yr)	48.7	15.8	49	19	17	92
Pain Duration (yr)	9.4	10.0	6	7	0.5	50
Number of Pain Sites	2.1	1.7	1	2	1	12
Number of comorbidities	1.0	1.3	1	2	0	6
MQS	13.3	11.0	12	12	0	42
ESAS	38	8	39	5	16	62
15D score	0.67	0.15	0.66	0.22	0.32	0.95