Resident teams are economically more efficient than MLP teams and have higher patient satisfaction. https://www.ncbi.nlm.nih.gov/m/pubmed/26217425/

Compared with dermatologists, PAs performed more skin biopsies per case of skin cancer diagnosed and diagnosed fewer melanomas in situ, suggesting that the diagnostic accuracy of PAs may be lower than that of dermatologists. https://www.ncbi.nlm.nih.gov/pubmed/29710082

Advanced practice clinicians are associated with more imaging services than PCPs for similar patients during E&M office visits. https://jamanetwork.com/journals/jamainternalmedicine/fullar...

Nonphysician clinicians were more likely to prescribe antibiotics than practicing physicians in outpatient settings, and resident physicians were less likely to prescribe antibiotics. https://www.ncbi.nlm.nih.gov/pubmed/15922696

The quality of referrals to an academic medical center was higher for physicians than for NPs and PAs regarding the clarity of the referral question, understanding of pathophysiology, and adequate prereferral evaluation and documentation. https://www.mayoclinicproceedings.org/article/S0025-6196(13)...)

Further research is needed to understand the impact of differences in NP and PCP patient populations on provider prescribing, such as the higher number of prescriptions issued by NPs for beneficiaries in moderate and high comorbidity groups and the implications of the duration of prescriptions for clinical outcomes, patient-provider rapport, costs, and potential gaps in medication coverage. https://www.journalofnursingregulation.com/article/S2155-825...)

Antibiotics were more frequently prescribed during visits involving NP/PA visits compared with physician-only visits, including overall visits (17% vs 12%, P < .0001) and acute respiratory infection visits (61% vs 54%, P < .001). https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5047413/

NPs, relative to physicians, have taken an increasing role in prescribing psychotropic medications for Medicaid-insured youths. The quality of NP prescribing practices deserves further attention. https://www.ncbi.nlm.nih.gov/m/pubmed/29641238/

(CRNA) We found an increased risk of adverse disposition in cases where the anesthesia provider was a nonanesthesiology professional. https://www.ncbi.nlm.nih.gov/pubmed/22305625

NPs/PAs practicing in states with independent prescription authority were > 20 times more likely to overprescribe opioids than NPs/PAs in prescription-restricted states. https://pubmed.ncbi.nlm.nih.gov/32333312/

Both 30-day mortality rate and mortality rate after complications (failure-to-rescue) were lower when anesthesiologists directed anesthesia care. https://pubmed.ncbi.nlm.nih.gov/10861159/

Only 25% of all NPs in Oregon, an independent practice state, practiced in primary care settings. https://oregoncenterfornursing.org/wp-content/uploads/2020/0...

96% of NPs had regular contact with pharmaceutical representatives. 48% stated that they were more likely to prescribe a drug that was highlighted during a lunch or dinner event. https://pubmed.ncbi.nlm.nih.gov/21291293/

85.02% of malpractice cases against NPs were due to diagnosis (41.46%), treatment (30.79%) and medication errors (12.77%). The malpractice cases due to diagnosing errors was further stratified into failure to diagnose (64.13%), delay to diagnose (27.29%), and misdiagnosis (7.59%). https://pubmed.ncbi.nlm.nih.gov/28734486/

Advanced practice clinicians and PCPs ordered imaging in 2.8% and 1.9% episodes of care, respectively. Advanced practice clinicians are associated with more imaging services than PCPs for similar patients during E&M office visits .While increased use of imaging appears modest for individual patients, this increase may have ramifications on care and overall costs at the population level. https://jamanetwork.com/journals/jamainternalmedicine/fullar...

APP visits had lower RVUs/visit (2.8 vs. 3.7) and lower patients/hour (1.1 vs. 2.2) compared to physician visits. Higher APP coverage (by 10%) at the ED‐day level was associated with lower patients/clinician hour by 0.12 (95% confidence interval [CI] = −0.15 to −0.10) and lower RVUs/clinician hour by 0.4 (95% CI = −0.5 to −0.3). Increasing APP staffing may not lower staffing costs. https://onlinelibrary.wiley.com/doi/full/10.1111/acem.14077

When caring for patients with DM, NPs were more likely to have consulted cardiologists (OR = 1.29, 95% CI = 1.21–1.37), endocrinologists (OR = 1.64, 95% CI = 1.48–1.82), and nephrologists (OR = 1.90, 95% CI = 1.67–2.17) and more likely to have prescribed PIMs (OR = 1.07, 95% CI = 1.01–1.12) https://onlinelibrary.wiley.com/doi/10.1111/jgs.13662

Ambulatory visits between 2006 and 2011 involving NPs and PAs more frequently resulted in an antibiotic prescription compared with physician-only visits (17% for visits involving NPs and PAs vs 12% for physician-only visits; P < .0001) https://academic.oup.com/ofid/article/3/3/ofw168/2593319

More claims naming PAs and APRNs were paid on behalf of the hospital/practice (38% and 32%, respectively) compared with physicians (8%, P < 0.001) and payment was more likely when APRNs were defendants (1.82, 1.09-3.03) https://pubmed.ncbi.nlm.nih.gov/32362078/

There was a 50.9% increase in the proportion of psychotropic medications prescribed by psychiatric NPs (from 5.9% to 8.8%) and a 28.6% proportional increase by non-psychiatric NPs (from 4.9% to 6.3%). By contrast, the proportion of psychotropic medications prescribed by psychiatrists and by non-psychiatric physicians declined (56.9%-53.0% and 32.3%-31.8%, respectively) https://pubmed.ncbi.nlm.nih.gov/29641238/

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Although evidence-based healthcare results in improved patient outcomes and reduced costs, nurses do not consistently implement evidence based best practices. https://pubmed.ncbi.nlm.nih.gov/22922750/