Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
PMC full text:
J Manipulative Physiol Ther. Author manuscript; available in PMC 2011 Oct 8.
Published in final edited form as:
J Manipulative Physiol Ther. 2010 Oct; 33(8): 562–575.
Published online 2010 Oct 8. doi:  10.1016/j.jmpt.2010.08.017

Table 4b

Six categories of similar patterns of approximated Episodes-of-Pain groups for “Users” of back pain services (N = 8,244)

CCC “205”ICD “846”,“847”Both
A1) Single BP Period - Uncensored
One “active” round preceded and followed by “inactive” rounds
Round-by-Round Patterns: OOOXO, OOXOO, OXOOO
n = 2,17977.8%21.8%.4%
A2) Single BP Period – Censored
One “active” round bounded on one side by sample frame and bounded on other side by “inactive” rounds
Round-by-Round Patterns: OOOOX, XOOOO
n = 1,18782.5%17.3%.3%
B1) Two contiguous BP Periods - Uncensored
Two “active” rounds preceded and followed by “inactive” round
Round-by-Round Patterns: OXXOO, OOXXO
n = 51083.7%12.7%3.5%
B2) Two contiguous BP Periods - Censored
Two “active” rounds bounded on one side by sample frame and bounded on other side by “inactive” rounds
Round-by-Round Patterns: XXOOO, OOOXX
n = 80886.1%10.9%3.0%
C) Three or more contiguous BP Periods
Round-by-Round Patterns: OOXXX, OXXXO, XXXOO, OXXXX, XXXXO, XXXXX
n = 2,19893.2%3.5%3.3%
D) Multiple, recurrent BP Periods
Two or more “active” rounds interspersed with “inactive” rounds
Round Patterns: OOXOX, OXOOX, OXOXO, OXOXX, OXXOX, XOOOX, XOOXO, XOOXX, XOXOO, XOXOX, XOXXO, XOXXX, XXOOX, XXOXO, XXOXX, XXXOX.
n = 1,36288.1%7.6%4.3%

Note: Reading Row one as example, of the 2,179 individuals in category (A1), 77.8% were identified with only the chronic back pain CCC code “205” in the MEPS Medical Conditions file, 21.8% were identified with only the acute back pain ICD “846” or “847” codes, and less than 1% were identified as having both types of medical conditions, conditions coded as CCC “205” and conditions coded as ICD “846”, “847”. This tables constructs 6 categories of similar patterns of approximated Episodes-of-Pain groups, for adult BackPain cases identified in MEPS Panels 5-through-10 Medical Conditions file, who also have ambulatory utilization events (N = 8,244).

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