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Table 2

Biennial national expenditures ($2010) on ambulatory services for back pain among US adults, 2000 to 2007

MEPS 2-year longitudinal survey yearsTotal, mean, median, or % (SE)
2000–20012001–20022002–20032003–20042004–20052005–20062006–2007
MEPS panel no.a567891011
Projected national estimates
 All adults, millionsb195.3 (16.8)199.5 (10.3)201.7 (10.3)203.5 (10.9)204.8 (7.0)208.2 (7.5)209.7 (5.7)
  Adults with back pain who received care, millions24.4 (2.4)27.4 (1.6)29.2 (1.8)29.7 (1.8)31.4 (1.4)31.2 (1.4)31.6 (1.1)
   Percentage of all adults12.5 (0.5)13.7 (0.4)14.5 (0.4)14.6 (0.4)15.3 (0.5)15.0 (0.5)15.1 (0.4)
  Adults with back pain—no inpatient care, millions23.5 (2.3)26.5 (1.5)28.0 (1.7)28.6 (1.8)30.6 (1.4)30.3 (1.4)30.3 (1.1)
   Percentage of all adults12.0 (0.5)13.3 (0.4)13.9 (0.4)14.1 (0.4)14.9 (0.5)14.6 (0.4)14.5 (0.4)
   Percentage of those who received care96.1 (0.7)96.6 (0.5)95.9 (0.6)96.5 (0.5)97.3 (0.5)97.1 (0.4)96.0 (0.6)
   Mean expenditure per adult with back pain ($)1146 (79)1358 (66)1392 (83)1477 (91)1715 (110)1520 (100)1742 (130)
   Median expenditure per adult with back pain ($)406431438478550531499
  Adults with chronicc back pain, millions7.0 (0.8)8.0 (0.6)9.3 (0.7)9.4 (0.7)11.6 (0.7)10.4 (0.6)11.3 (0.6)
   Percentage of all adults4.0 (0.3)4.6 (0.2)5.2 (0.3)5.3 (0.3)6.3 (0.4)5.7 (0.3)6.1 (0.3)
   Mean expenditure per adult with chronic back pain ($)2235 (188)2622 (170)2701 (213)2790 (195)3161 (241)2789 (236)3152 (313)
   Median expenditure per adult with chronic back pain ($)1121128512421327153512931149
   Total expenditures on chronic back pain, $ billions15.6 (1.5)21.0 (1.6)25.1 (2.5)26.3 (2.2)36.5 (3.2)28.9 (2.7)35.7 (3.6)
  Adults with nonchronicc back pain, millions16.5 (1.8)18.5 (1.1)18.7 (1.2)19.2 (1.3)19.0 (0.9)19.9 (1.0)19.0 (0.8)
   Percentage of all adults11.4 (0.5)12.3 (0.4)12.3 (0.4)12.3 (0.4)12.7 (0.4)12.9 (0.4)12.5 (0.4)
   Mean expenditure per adult with nonchronic back pain ($)684 (62)810 (50)741 (56)832 (67)836 (47)861 (74)903 (59)
   Median expenditure per adult with nonchronic back pain ($)237263273281301278273
   Total expenditures on nonchronic back pain, $ billions11.3 (1.5)15.0 (1.0)13.8 (1.3)16.0 (1.4)15.9 (1.0)17.2 (1.7)17.2 (1.3)
Total biennial expenditures on back pain, $ billions26.9 (2.4)36.0 (2.2)39.0 (2.8)42.3 (2.9)52.4 (3.7)46.1 (3.5)52.8 (4.2)
aMedical Expenditure Panel Survey respondents are resurveyed for each of 5 separate rounds throughout the 2-year longitudinal panel survey. Each round recall period ranges from 4 to 6 months, and respondents report their experiences for the entire time frame of each round.
bData reported for adults (age ≥18 years at entry into 2-year longitudinal survey) who were inscope with valid data during all 5 rounds of the 5-round data collection.
cChronic defined as MEPS respondents with reported back pain in 3 or more rounds of longitudinal survey; nonchronic defined as MEPS respondents with reported back pain in only 1 or 2 rounds.