. Author manuscript; available in PMC: 2011 Oct 8.

Published in final edited form as: J Manipulative Physiol Ther. 2010 Oct 8;33(8):562–575. doi: 10.1016/j.jmpt.2010.08.017

Appendix Table 1.

MEPS respondents with Back Pain events in any Office-based (OB), OutPatient (OP), ER, and Prescription medication (Rx) event files.

Panel	OB+OP+ER+Rx^a		Only OB+OP+ER
Panel	Respondents	Events	Respondents	Events
10	1,470	19,379	1,357	12,733
9	1,538	19,707	1,429	12,915
8	1,485	19,064	1,372	12,993
7	1,406	17,136	1,274	11,726
6	1,897	21,537	1,746	14,997
5	888	10,430	814	7,273
Pooled across Panels 5–10:	8,684^b	107,253	7,992	72,637

Note: Back Pain events defined as ICD-9 code 846 (sacroiliac sprain/strain), ICD-9 code 847 (other back sprain/strain), or CCC code 205 (spondylosis, intervertebral disc disorders, other back problems).

Excludes Rx associated with Inpatient hospitalizations for back pain.

Includes both adults (n=8,244) and children (n=440) who used ambulatory health services for back pain, with adult defined as age 18 or older at start of 2-year panel timeframe.