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