The most common comment on a nursing literature review draft is some version of "this reads like a list of summaries, not a synthesis."
It is a fair comment and a hard one to act on without seeing the alternative. This guide works through one small example from start to finish: five sample studies, a synthesis table, the themes that emerge and the finished paragraph. For the search and screening process that comes first, see the nursing literature review guide.
How a Synthesized Review Is Organized
A synthesized literature review is organized by theme, not by author. You lay your sources out in a table, look for shared outcomes, agreements, contradictions and gaps, then write one section per theme that compares the studies within it.
Every citation should support the point of the paragraph. The review ends with a gap statement that leads naturally to your capstone question.
Summary Versus Synthesis
A summary-style review walks through sources one at a time. "Smith (2021) found X. Jones (2020) studied Y and found Z." Each paragraph is a short report on one study, and the reader finishes with a list of facts but no picture of what the evidence shows as a whole.
A synthesis groups studies by what they are about. "Several studies of nurse-led education report improvements in X (Jones, 2020; Patel, 2022; Smith, 2021), although the size of the effect varies with..." The paragraph can now discuss agreement, disagreement and gaps across the group.
| Feature | Summary style | Synthesis style |
|---|---|---|
| Organized by | Source or author | Theme or concept |
| Typical paragraph | One study per paragraph | Several studies per paragraph |
| Citations | Open each paragraph | Support specific claims |
| Conflicting findings | Reported separately or ignored | Compared and explained |
| Ending | Last study summarized | Gap statement tied to your question |
Step 1: Lay the Studies Out in a Synthesis Table
Our sample topic is fall prevention in hospitalized older adults. The five studies below are invented for teaching purposes; they show the kind of mix a real search produces.
| Author (year) | Design | Sample and setting | Key finding |
|---|---|---|---|
| Alvarez et al. (2021) | Quasi-experimental, pre/post | 4 medical-surgical units, 1 hospital, n=312 | Hourly rounding protocol reduced the fall rate by 28% over 12 weeks |
| Chen & Park (2020) | Systematic review | 14 studies, mixed settings | Multi-component interventions outperformed single-component ones |
| Davies (2022) | Qualitative focus groups | 22 nurses, 3 hospitals | Inconsistent use of risk-screening tools was a barrier |
| Mensah et al. (2019) | Retrospective cohort | 1 academic medical center, n=1,840 admissions | Bed alarms did not significantly reduce falls in high-risk patients |
| Whitfield & Osei (2023) | Randomized controlled trial | 2 hospitals, n=480 | Patient and family education at admission was linked to 19% fewer falls |
These citations and figures are illustrative only. Use real, appraised sources from your own search.
In a real review, add columns for level of evidence, limitations and theme. The table is a planning tool first; some programs also want it as an appendix.
Step 2: Find the Themes
Read across the rows rather than down them. Themes come from patterns that several studies share.
- Shared outcomes: several studies measure fall rate, so effectiveness is a candidate theme.
- Agreement: the review and the rounding study both favor combined interventions.
- Contradiction: the bed alarm study shows a common tool may not work alone. Conflicting results are often the most valuable material in a review.
- Method groupings: the qualitative study answers a different question, about staff experience.
- Gaps: none of the studies tests sustainability beyond a few months.
From these five studies, three themes emerge. Multi-component interventions appear more effective than single ones; some widely used tools may underperform on their own; and staff-level barriers limit how well any intervention works in practice.
Step 3: Write the Synthesized Paragraph
Here is how the first and third themes might read as one synthesized paragraph. Notice that no sentence is about one study for its own sake.
Evidence on fall prevention in hospitalized older adults consistently favors multi-component interventions over single measures. Chen and Park's (2020) review of 14 studies found that programs combining education, environmental changes and mobility support outperformed single interventions, a pattern echoed by Alvarez et al. (2021), whose hourly rounding protocol (itself addressing toileting, positioning and pain) reduced falls by 28% over 12 weeks.
Not every common tool shows the same benefit: Mensah et al. (2019) found no significant reduction in falls with bed alarms among high-risk patients, suggesting alerts alone are insufficient without a response protocol. Whitfield and Osei's (2023) trial adds a complementary angle, linking admission education for patients and families to 19% fewer falls.
Davies's (2022) qualitative findings complicate the picture, however. Nurses described inconsistent use of screening tools, which suggests that results achieved in studies may not transfer to busy units without attention to workflow.
The paragraph groups studies by what they show, compares results directly and ends on a tension that sets up a gap. That is the shift faculty mean by synthesis.
Step 4: Turn the Themes into a Section Outline
Once the themes are clear, the outline almost writes itself. Each theme becomes a subheading, and the gap section closes the chapter.
| Section | Studies discussed | Purpose |
|---|---|---|
| Introduction to the problem | Background sources | Shows why fall prevention matters in this population |
| Theme 1: combined versus single interventions | Chen & Park; Alvarez et al.; Mensah et al. | Shows the trend towards multi-component approaches |
| Theme 2: patient and family engagement | Whitfield & Osei | Introduces a promising, less-studied component |
| Theme 3: barriers at staff level | Davies | Identifies the gap between research and practice |
| Synthesis and gap | All themes | States what remains unanswered and leads to the PICOT question |
In a real review, aim for at least two or three sources per major theme. A theme resting on one study, like Theme 2 here, should either gain more sources or fold into a related theme.
Step 5: Write the Gap Statement
The gap section pulls the themes together and points to what is missing. It is where your review earns its place in a capstone.
Taken together, the evidence supports multi-component fall prevention that includes patient and family education, but it also shows that tools such as screening scales and bed alarms depend on consistent use by staff. Few studies examine whether gains last beyond three months on medical-surgical units. This project therefore tests a combined rounding and education bundle with a structured screening workflow, and measures falls over six months.
A good gap statement makes your PICOT question feel like the obvious next step. If it does not, revisit your themes before you revise the question.
Language That Signals Synthesis
Synthesis shows in the sentence patterns you use. Phrases that compare and connect studies tell the reader you are reading the evidence as a whole.
| Purpose | Useful phrasing |
|---|---|
| Agreement | "Several studies report...", "This finding is consistent with...", "A similar pattern appears in..." |
| Contrast | "In contrast...", "However, X found no such effect...", "Results diverge when..." |
| Explaining differences | "This difference may reflect the smaller sample...", "Unlike the trial, the cohort study did not control for..." |
| Building on | "X extends this by...", "Adding a qualitative angle, Y..." |
| Gaps | "Few studies have examined...", "No study identified tested..." |
Avoid opening paragraphs with an author's name. Start with the point, then bring in the studies that support or complicate it.
A Quick Self-Test
Cover the citations in a paragraph and read what is left. If the remaining sentences still make a claim about the evidence, you have synthesis; if they read like a list of findings, regroup by theme.
Common Mistakes
- Writing one paragraph per source instead of grouping by theme.
- Naming themes without saying how the studies within them agree or differ.
- Hiding a conflicting result instead of discussing what it means.
- Choosing themes after drafting rather than before.
- Keeping the synthesis table in your notes but never carrying its logic into the prose.
- Citing a source for a point the paragraph does not discuss.
- Ending a theme without linking it back to your review question.
- Building a whole theme on one heavily cited study.
How NurseCapstone Helps with Literature Reviews
Send your review question or PICOT, the sources you have, your rubric and the date range your program requires. A writer matched to your level builds the synthesis table, identifies themes and writes a model review that compares studies and ends with a clear gap statement.
Use it as a reference for structuring your own chapter. It is written from scratch and plagiarism-checked, with free revisions within the scope of your original request.
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Frequently Asked Questions
Aim for at least two or three sources per major theme. A theme with one study is closer to a note and usually belongs inside a related theme.
Not always. Many programs use it only as a planning tool, while others ask for an evidence table in an appendix, so check your rubric.
Sort them by the outcome or variable each one measures. If themes still do not appear, your search may be too broad or too narrow for one review question.
An annotated bibliography is organized source by source by design. A literature review is organized by theme, with sources woven together within each theme.
Yes, especially when method differences might explain different results. That comparison is part of what makes a synthesis substantive.
The gaps you identify, such as untested settings or unsettled findings, become the rationale for your project. A strong review makes your question feel like the natural next step.
Yes. Thematic synthesis is the expected structure for most literature review assignments, not only capstone chapters.
No. They are invented for teaching, so do not cite them. Use the same method with real sources from your own search.