The value of integrating physical therapists into primary care, including patient outcomes and health care costs: a scoping review.
Alyson M Cavanaugh, Micah Wong, Katie O'Bright and 1 others
In most of 39 studies, a physical therapist as first contact for musculoskeletal complaints in primary care was linked to lower imaging, fewer prescriptions, and lower costs.
Pain and function scores did not differ from the physician-first pathway.
Key findings
1Across the included studies, the PCPT pathway was associated with lower total costs in 9 of 16 studies, lower imaging use in 17 of 19 studies, fewer prescriptions in 11 of 17 studies, and lower opioid use in all 5 studies that assessed it.
2No study found a statistically significant difference in pain, quality-of-life or disability scores, or adverse events between the PCPT pathway and the traditional physician-first pathway.
3Purposeful integration of physical therapists into primary care was described in 10 of 16 clearly-integrated studies from international settings (England, Scotland, Sweden, Poland, Canada) and in US military, VA, employee health, and one private system. No included study used the term 'primary care physical therapy.'
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What it does not show
Most included studies focused on musculoskeletal populations; there is very little evidence for other conditions a physical therapist might manage in primary care (vestibular, pelvic, pediatric, neurologic). Patient outcome data are thin: small sample sizes in most studies, and the comparison group in nearly one-third of outcome studies was patients who were medically referred to physical therapy, which may overstate the benefit of PCPT over simply never seeing a physical therapist. Many studies did not clearly describe how patients actually reached the physical therapist, making it hard to distinguish true primary-care integration from self-referred direct access. The review could not assess whether lower utilization reflected appropriate care or simply that healthier, less complex patients were triaged to the physical therapist. International findings (UK NHS, Sweden, Poland, Canada) may not translate to US fee-for-service settings because of different reimbursement structures and scope-of-practice rules. This is a scoping review: it describes what the literature contains but does not pool effect sizes or test for publication bias.
The easy way to misread this
Do not read the cost savings as proof that a physical therapist can replace a physician for all primary care needs. The patient outcome data showed no difference in pain, function, or safety between the two pathways, and the review could not determine whether lower utilization reflected appropriate care or simply that healthier patients were triaged to the physical therapist. The evidence is also a descriptive map of heterogeneous studies, not a pooled estimate of effect.
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