| Course | PA 650 Capstone Project |
|---|---|
| Week | 4 |
| Paper type | Comparison rationale |
| Length | About 530 words, 5 pages |
| Format | APA 7 student paper |
| School | Chamberlain University |
| Program | Master of Physician Assistant Studies (MPAS) |
| Updated | October 2026 |
Free sample paper for PA 650 Week 4
Comparison Arm Rationale: Four Things Clinicians Actually Do for These Patients, Who Does Each, Why Naproxen Alone Is the Comparison and What That Choice Costs the Patients Who Would Have Slept Better
Student Name
Chamberlain University
PA 650: Capstone Project
Instructor Name
Month Day, Year
Comparison Arm Rationale: Four Things Clinicians Actually Do for These Patients, Who Does Each, Why Naproxen Alone Is the Comparison and What That Choice Costs the Patients Who Would Have Slept Better
The Field, Before the Choice
At my rotation sites, clinicians did four things for adults discharged with acute, nonradicular low back pain:
1. Naproxen alone, with advice to stay active: the emergency department attending on weekday mornings and most of the urgent care staff.
2. Naproxen with cyclobenzaprine at bedtime: one urgent care physician assistant and two emergency department physicians.
3. Naproxen with methocarbamol three times a day: one emergency department physician.
4. Naproxen with a short course of an opioid: rarely, mostly for patients who said they could not walk.
Named People, Not Named Guidelines
Each option above is attached to the kind of clinician who uses it, not to a guideline, because the question exists to settle a disagreement among people. The guideline permits either NSAIDs or skeletal muscle relaxants when medication is wanted (Qaseem et al., 2017), so it does not resolve the disagreement about adding one to the other.
The Choice: Naproxen With Placebo, or Naproxen Alone
The comparison is naproxen with placebo, or in practice naproxen alone. It is what option 1 clinicians already do, and it is the comparison used in the randomized trials (Friedman et al., 2015), so the evidence will match.
Choosing the comparison the trials used also protects the project from a common error: comparing a drug against an alternative nobody in the population would actually receive.
The Discards, Each With a Reason
Naproxen with an opioid: a different decision with different harms, and the opioid comparison is not what the clinicians on my rotation disagree about.
Muscle relaxant alone, without an NSAID: almost nobody did this at my sites.
No medication: uncommon for patients who come to an emergency department in pain, and not the choice clinicians face at discharge.
What the Comparison Costs a Patient
If the evidence supports naproxen alone, some patients who would have slept better with a bedtime muscle relaxant will go without it. That is a real cost, and it falls on the patients whose main complaint is poor sleep. The recommendation will need to say whether sleep is a reason to add one anyway.
The Gap With the Published Trials
The main trials took place in an urban emergency department in New York City. My rotation sites were a suburban emergency department and two urgent cares. Patients at urgent care may be less severely affected, which could make any benefit of an added drug smaller still. The trials measured function at one week, which matches the question; they did not measure return to work, which several of my patients cared about most.
Those gaps do not make the trials irrelevant, but they set the limits of how far their results travel. The recommendation will state them.
References
Friedman, B. W., Dym, A. A., Davitt, M., Holden, L., Solorzano, C., Esses, D., Bijur, P. E., & Gallagher, E. J. (2015). Naproxen with cyclobenzaprine, oxycodone/acetaminophen, or placebo for treating acute low back pain: A randomized clinical trial. JAMA, 314(15), 1572-1580. https://doi.org/10.1001/jama.2015.13043
Qaseem, A., Wilt, T. J., McLean, R. M., & Forciea, M. A. (2017). Noninvasive treatments for acute, subacute, and chronic low back pain: A clinical practice guideline from the American College of Physicians. Annals of Internal Medicine, 166(7), 514-530. https://doi.org/10.7326/M16-2367
What the PA 650 Week 4 assignment asks for
The fourth week asks for a rationale for the comparison in your capstone question, built mostly as a shortlist with an argument at the end. List three or four things clinicians actually do for the population you defined, each in a line and attributed to the kind of clinician or setting where you saw it. Then choose the comparison and explain the choice. Each discarded option needs a reason. Say what the comparison costs a patient: who would lose something if the comparison turned out to be the better choice. Finally, describe any gap between the setting of the published trials and the setting your question is about. Use named roles rather than named guidelines for the field, and cite the evidence and guidance that bear on the choice.
How this PA 650 Week 4 example is built
The field lists four practices: naproxen alone with advice to stay active, used by weekday emergency department attendings and most urgent care staff; naproxen with bedtime cyclobenzaprine, used by one physician assistant and two physicians; naproxen with methocarbamol, used by one physician; and naproxen with a short opioid course, used rarely. A section explains naming people rather than guidelines and cites Qaseem et al. (2017). The choice section selects naproxen with placebo or alone, matching Friedman et al. (2015). Three options are discarded with reasons: opioids, muscle relaxants alone and no medication. A cost section names patients whose main complaint is poor sleep. The gap section contrasts an urban New York emergency department with a suburban department and two urgent cares, and notes the trials did not measure return to work.
Reading the PA 650 Week 4 grading rubric
The rationale loses the most when the comparison is chosen before the field is described, so the choice looks inevitable rather than argued. Next comes a field described through guidelines instead of the clinicians who actually do each thing. Graders deduct for discarded options without reasons. Faculty reward a comparison that matches the published trials, since that lets the evidence answer the question. Naming who loses if the comparison wins earns a defined share, because it shows the trade-off honestly. Describing the gap between the trial setting and the question's setting is expected. Citation of the trials and guidance, in APA form, completes the rubric.
PA 650 Week 4 help from the desk
Comparison rationales most often go wrong by choosing placebo or usual care without saying what usual care is where the writer trained. Another frequent problem is dropping alternatives silently. Some also ignore that the main trials were run in a different kind of setting. If your capstone compares something else, such as two antibiotics or imaging against no imaging, send the options you saw and who used them; a rationale built for you would list the field by named roles, choose and justify the comparison, discard the rest with reasons, say who bears the cost of the choice and describe the setting gap. If two options are equally common, the rationale would explain choosing between them.
Get a PA-650 Week 4 example written to your instructions
Send the Week 4 instructions along with your question and population, and a custom comparison arm rationale written to your rubric arrives inside 24-48h, the first one free. Tell the desk which alternatives you saw used and the shortlist is built from those; say nothing and it is built from what is common in the setting you named.
More PA 650 papers and MPAS samples
- PA 650 Week 1: Practice Variation Post
- PA 650 Week 2: Question Narrowing Exercise
- PA 650 Week 3: Patient Population Definition
- PA 650 Week 5: Strength of Evidence Table
- PA 650 Week 6: Harm and Benefit Balance
- PA 650 Week 7: Bedside Recommendation Statement
- PA 650 Week 8: Clinical Poster Draft
- PA 501 Week 4: Role Delineation Memo
- PA 648 Week 4: Faculty Checkpoint Summary
- PA 502 Week 4: Surrogate Outcome Critique
- PA 503 Week 4: Diagnostic Schema
PA 650 Week 4 questions, answered
Can the comparison be no treatment at all?
It can where that is genuinely what happens, and the rationale then has to describe it as a practice rather than as an absence: who is sent home without anything, under what circumstances, and what they are told. Sections differ on whether they will accept it. What fails is using it as a default because naming a real competing option took more work.
What if two alternatives are equally common?
Then say so and pick one, giving the reason for the pick rather than pretending the field was narrower than it was. A project can hold only one comparison without doubling its evidence work, and faculty generally accept a coin toss that is declared. What they mark down is a document that mentions both, argues against neither cleanly, and ends up recommending against a blur.
Does this section need sources?
A few, and they do a different job from the ones in the evidence table. Something showing that the alternative is actually in use carries the most weight here: a practice survey, a registry report, a guideline that still recommends it. One or two are enough, because the section is establishing that a competitor exists rather than settling which one wins.
Where can I find a free PA 650 Week 4 sample paper?
The full PA 650 Week 4 comparison arm rationale, listing four real practices before choosing naproxen alone, is on this page.
Who bears the cost of the comparison in the PA 650 Week 4 sample?
Patients whose main complaint is poor sleep, who might sleep better with a bedtime muscle relaxant if naproxen alone is recommended.