Table 4
Publication year | Study design | Summary | |
---|---|---|---|
Bezdjian [29] | 2022 | CO | DC trained in Primary Spine Care—decreased: |
Hospitalization | |||
Opioid prescription fill | |||
ESI | |||
Specialist referral | |||
Diagnostic imaging | |||
Surgery | |||
Harwood [5] | 2022 | CS | DC as 1st provider—decreased: |
Opioid and early opioid prescriptions | |||
Total cost, but similar to PCMD | |||
Out-of-pocket costs, but similar to PCMD | |||
MRI/CT | |||
1st provider—significantly less imaging and opioids | |||
Jin [36] | 2022 | CO | DC or PT as 1st provider—decreased: |
Long-term healthcare costs | |||
Use of ESI | |||
Long-term opioid use | |||
Whedon [9] | 2022 | CO | DC care—decreased: |
Escalation of care | |||
Hospitalization | |||
ESI and other interventional procedures | |||
Advanced diagnostic imaging | |||
Specialist visit/referral | |||
ED visit | |||
Whedon [46] | 2022 | CO | DC care—decreased: |
Likelihood of filling opioid prescription | |||
Anderson [27] | 2021 | CO | DC 1st provider—decreased |
Diagnostic imaging | |||
ESI/injection procedures | |||
Surgery | |||
Anderson [28] | 2021 | CO | DC care—decreased: |
Escalation of care: | |||
Imaging | |||
ESI/injection procedures | |||
ED | |||
Surgery | |||
Davis [30] | 2021 | CO | DC care—decreased: |
PCP, specialists, and surgeon visits for spine conditions | |||
Spine surgery | |||
Whedon [42] | 2021 | CO | DC care: |
Increased LBP care long-term costs | |||
Decreased total long-term costs | |||
Whedon [43] | 2021 | CO | DC care—decreased: |
Adverse drug events | |||
Opioid dependence/abuse | |||
Long term care | |||
Louis [39] | 2020 | CO | DC care—decreased: |
Opioid use | |||
Whedon [45] | 2020 | CO | DC care—decreased: |
Risk of filling opioid prescription | |||
Davis [31] | 2019 | CO | DC care—decreased: |
Spine-related medical procedures | |||
Diagnostic imaging and testing | |||
Kazis [37] | 2019 | CO | DC 1st provider—decreased: |
Short and long-term opioid prescriptions | |||
Rhon [12] | 2019 | CO | Manual therapy—decreased: |
All costs, visits, and opioid prescriptions | |||
Elder [24] | 2018 | PC | DC care compared to usual care: |
No statistically significant differences in costs | |||
Whedon [44] | 2018 | CO | DC care—decreased: |
Likelihood of filling opioid prescription and cost of opioids | |||
Hong [33] | 2017 | CO | DC care: |
Utilization of low value diagnostic imaging slightly less than specialists but more than PCP | |||
Clinician ownership of imaging equipment was a predictor of low value utilization across clinician type | |||
Fritz [32] | 2015 | CO | DC care: |
Decreased advanced imaging | |||
Decreased surgeon visits | |||
Increased duration of episode of care | |||
Hurwitz [34] | 2016 | CO | DC care—decreased: |
Costs for uncomplicated or complicated neck pain | |||
Hurwitz [35] | 2016 | CO | DC care—decreased: |
Costs and episode length for uncomplicated LBP | |||
Costs for complicated LBP when care involved referral providers or services | |||
Weeks [40] | 2016 | CO | Higher DC costs (more usage) were associated with lower opioid prescriptions |
Weeks [41] | 2016 | CS using RCT data | DC care for chronic LBP episodes—decreased: |
Overall costs of care | |||
Episode duration | |||
Cost per episode | |||
Leininger [52] | 2016 | CS using RCT data | DC care |
Decreased advanced imaging | |||
Decreased surgeon visits | |||
Decreased total healthcare costs | |||
Decreased lost productivity costs | |||
Increased duration of episode of care | |||
Keeney [26] | 2013 | PCO | DC 1st provider—decreased: |
Back surgery | |||
Graves [25] | 2012 | CO | DC care—decreased: |
Cost of episodes | |||
Lilliedahl [38] | 2010 | CS | DC 1st provider—decreased: |
Overall episode costs | |||
Grieves [47] | 2009 | CS | DC care: |
Increased office costs | |||
Approximately equal total costs for DC and MD when excluding costs of advanced imaging and referrals | |||
Haas [48] | 2005 | CS | DC care: |
Increased office costs when excluding referrals | |||
DC and MD costs not significantly different when including referrals | |||
Kominski [50] | 2005 | CS using RCT data | Excluding pharmaceutical data, adjusted mean outpatient costs greater for MD with PT, followed by DC with modalities and DC alone; MD alone lowest cost |
Nelson [54] | 2005 | CS | DC care—decreased: |
Advanced imaging | |||
Surgery | |||
Hospitalization | |||
Plain film imaging | |||
Legorreta [51] | 2004 | CS | DC care—decreased: |
PMPY costs | |||
Hospital days | |||
MRI and other imaging | |||
Surgery | |||
Phelan [55] | 2004 | CS | DC care—decreased: |
Mean costs low back injury | |||
Compensation payments | |||
Mean lost workdays | |||
Mean total claim cost (including compensation) | |||
Utilization of medical ancillary services | |||
Hospitalization costs | |||
Stano [61] | 2002 | CS | DC care: |
Increased mean office costs, when excluding costs of referral treatment, surgery, post-surgical care and advanced imaging | |||
Cherkin [63] | 1998 | RCT | DC and PT care (McKenzie only) approximately equal and higher than cost of booklet |
Smith [57] | 1997 | CS | DC care—decreased: |
Total insurance payments | |||
Patients with recurrent episodes tend to return to DC care | |||
Mosley [53] | 1996 | CS | DC care—decreased: |
Overall costs per patient | |||
Imaging rate and cost per patient | |||
Prescriptions and prescription costs per patient | |||
Stano [62] | 1996 | CS | DC care: |
Decreased total payments for first episodes | |||
Increased episode length | |||
Carey [23] | 1995 | PCO | DC care: |
Increased cost per episode | |||
Shekelle [56] | 1995 | CS | DC care: |
Increased cost/episode | |||
Approximately equal costs per visit with PCMD | |||
Stano [60] | 1994 | CS | DC care—decreased: |
Overall costs due to decreased hospitalization | |||
Stano [59] | 1993 episode analysis | CS | DC or PCP care—decreased: |
Hospital admissions | |||
DC care—decreased: | |||
Episode costs | |||
Stano [58] | 1993 | CS | DC care—decreased: |
Healthcare costs | |||
Jarvis [49] | 1991 | CS | DC care: |
Increased number of office visits/case | |||
Decreased work-time loss compensation | |||
Decreased total cost per case | |||
Decreased cost per office visit |
CT Computer tomography; DC Chiropractor or chiropractic care; LBP Low back pain; MD Medical physician or medical care; MRI Magnetic resonance imaging; PCP/PCMD Primary care medical physician; PMPY Per member per year; PT Physical therapist or physical therapy care