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. Author manuscript; available in PMC: 2017 Feb 19.
Published in final edited form as: J Manipulative Physiol Ther. 2016 Feb 19;39(2):63–75.e2. doi: 10.1016/j.jmpt.2016.01.006

Table 5.

Compound growth rate analysis. Data are for patients who had a chronic low back pain episode that lasted less than 730 days and whose episode started in a particular year between 2007 and 2010. Compound annual growth rates in expenditures during the episode and expenditures per day are shown. CMT means chiropractic manipulation treatment.

Year in which episode started Compound
growth rate
(2007–2010)
Compound
growth rate
(2007–2010)
2007 2008 2009 2010 based on total
episode costs
based on episode
costs per day
Episode days Only used CMT 236
(2.4)
241
(2.7)
242
(2.8)
244
(2.7)
1.2%
Used conventional medical care first, then CMT 279
(2.9)
291
(3.0)
284
(3.2)
293
(3.1)
1.7%
Used CMT first, then conventional medical care 313
(3.3)
319
(3.4)
321
(3.6)
350
(3.4)
3.8%
Did not use CMT 290
(3.2)
304
(3.4)
322
(3.4)
321
(3.2)
3.4%
Part A spending
($)
Only used CMT 1127
(77)
1179
(88)
1088
(89)
1065
(104)
−1.9% −3.0%
Used conventional medical care first, then CMT 3471
(147)
3613
(159)
3977
(184)
4311
(218)
7.5% 5.8%
Used CMT first, then conventional medical care 4183
(178)
3907
(178)
4171
(196)
5513
(249)
9.6% 5.6%
Did not use CMT 5737
(207)
5771
(220)
5730
(220)
5669
(246)
−0.4% −3.7%
Part B spending
($)
Only used CMT 1739
(34)
1932
(42)
1756
(43)
1928
(56)
3.5% 2.4%
Used conventional medical care first, then CMT 3724
(54)
3670
(60)
3966
(70)
3946
(84)
1.9% 0.3%
Used CMT first, then conventional medical care 3345
(56)
3594
(64)
3415
(67)
4476
(91)
10.2% 6.2%
Did not use CMT 3542
(57)
3700
(66)
3802
(68)
3818
(82)
2.5% −0.9%
Spending on CMT
($)
Only used CMT 477.08
(6.27)
463.86
(6.95)
483.31
(7.16)
564.73
(8.78)
5.8% 4.6%
Used conventional medical care first, then CMT 313.50
(5.51)
315.35
(5.90)
315.55
(6.27)
287.81
(6.54)
−2.8% −4.4%
Used CMT first, then conventional medical care 306.97
(6.00)
315.79
(6.36)
286.54
(6.20)
280.95
(6.52)
−2.9% −6.5%
Did not use CMT 0.00
(0.00)
0.00
(0.00)
0.00
(0.00)
0.00
(0.00)
0.0% 0.0%
Spending on
psychiatric care
($)
Only used CMT 18.28
(1.60)
16.59
(1.88)
13.20
(1.66)
13.04
(1.76)
−10.7% −11.6%
Used conventional medical care first, then CMT 23.37
(1.96)
20.20
(2.14)
25.02
(2.48)
17.44
(2.12)
−9.3% −10.8%
Used CMT first, then conventional medical care 28.60
(2.39)
21.62
(2.38)
33.75
(2.99)
32.23
(2.91)
4.1% 0.3%
Did not use CMT 32.99
(2.55)
44.93
(3.50)
46.83
(3.37)
44.39
(3.33)
10.4% 6.7%
Part D* spending
($)
Only used CMT 2279
(92)
2305
(111)
1938
(140)
2271
(122)
−0.1% −1.2%
Used conventional medical care first, then CMT 2620
(111)
2675
(128)
2734
(183)
2889
(131)
3.3% 1.6%
Used CMT first, then conventional medical care 2651
(127)
2821
(145)
4833
(279)
3099
(159)
5.3% 1.5%
Did not use CMT 3298
(140)
3119
(158)
3328
(211)
3459
(166)
1.6% −1.8%
Pain medication
spending
($)
Only used CMT 491.44
(30.34)
251.22
(22.32)
312.42
(30.15)
256.83
(24.76)
−19.5% −20.3%
Used conventional medical care first, then CMT 402.09
(30.70)
529.86
(34.81)
581.79
(45.27)
351.16
(27.43)
−4.4% −6.0%
Used CMT first, then conventional medical care 534.96
(40.27)
329.90
(30.29)
549.99
(50.33)
357.97
(32.46)
−12.5% −15.7%
Did not use CMT 616.37
(42.94)
534.94
(39.87)
549.43
(46.00)
499.42
(38.00)
−6.8% −9.9%
*

Part D expenditures are calculated from only those patients who were enrolled in Medicare Part D