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 3c

Ambulatory Utilization for “Users” of back pain services (N = 8,244)

OB onlyOP onlyER onlyRx onlyCOMB
A1) Single BP Period - Uncensored
One “active” round preceded and followed by “inactive” rounds
Round-by-Round Patterns: OOOXO, OOXOO, OXOOO
n = 2,82444.8 %1.3 %2.5 %9%42.3%
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 = 1,52644.9 %1.6 %1.9 %14%37.6%
B1) Two contiguous BP Periods - Uncensored
Two “active” rounds preceded and followed by “inactive” round
Round-by-Round Patterns: OXXOO, OOXXO
n = 51630.2 %.6 %.2 %5.4%63.6%
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 = 67336.1 %0 %0 %6.2%57.7%
C) Three or more contiguous BP Periods
Round-by-Round Patterns: OOXXX, OXXXO, XXXOO, OXXXX, XXXXO, XXXXX
n = 1,49523.3 %.1 %0 %4.2%72.4%
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 = 1,21029.2 %0 %.1 %6.8%64%

Note: Reading Row one as example, of the 2,824 individuals in category (A1), 44.8% were identified with back pain events in only the Office-Based (OB) setting, 1.3% were identified with back pain events in only OutPatient (OP), 2.5% were identified with back pain events in only ER, 9% were identified with only back pain Rx events, and 42.3% were identified with back pain events in more than one, i.e. some combination of OB, OP, ER, and/or Rx back pain events. This table represents adult back pain cases identified in MEPS Panels 5-through-10 Ambulatory Utilization Events files, Office-Based (OB), Outpatient (OP), ER, and Rx, by categories of approximated back pain episodes-of-care groups (N = 8,244).

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