Nursing Literature Review Example: Annotated Sample

Nursing literature reviews operate under a different set of rules from most other disciplines. Nursing reviews may use systematic-review methods, reporting guidelines such as PRISMA where appropriate, evidence-appraisal frameworks, and explicit attention to clinical relevance. The appropriate approach depends on the review question and institutional or journal requirements.

This page gives you a complete illustrative paragraph from a master's-level nursing literature review, with every sentence labeled for its function. You will see how nursing writing uses evidence grading, PICO framing, and clinical-outcome gaps.

Annotated Nursing Literature Review Sample

Topic: The Effect of Nurse-Led Early Mobility Protocols on ICU Delirium and Mechanical Ventilation Duration

Sentence 1

"ICU-acquired delirium affects an estimated 60–80% of mechanically ventilated patients and is associated with increased mortality, longer hospital stays, and higher healthcare costs (Salluh et al., 2015; Pisani et al., 2013)."

Sentence 2

"Pharmacological interventions for delirium prevention have shown limited efficacy and are associated with adverse effects, including increased falls and prolonged sedation (Burry et al., 2018; Devlin et al., 2018)."

Sentence 3

"In response, early mobility protocols — defined as structured, progressive physical activity initiated within 48 hours of ICU admission — have emerged as a non-pharmacological strategy supported by a growing body of evidence (Schweickert et al., 2009; Morris et al., 2016; Castro-Avila et al., 2015)."

Sentence 4

"However, a 2020 systematic review and meta-analysis (Level I evidence) by Taito et al. found significant heterogeneity across early mobility studies (I² = 78%), with most trials limited by small sample sizes, lack of blinding, and inconsistent protocol implementation."

Sentence 5

"Furthermore, no Level I or II study has examined whether nurse-led early mobility protocols — as distinct from multidisciplinary team-led protocols — reduce delirium incidence specifically in medical ICU (rather than surgical ICU) patients."

Sentence 6

"This thesis presents a systematic review (PROSPERO-registered) and meta-analysis of nurse-led early mobility protocols in medical ICUs, with delirium incidence and ventilation duration as primary outcomes."

Annotation Summary Table

Key insight: Sentence 4 names the evidence level (Level I) and the statistical heterogeneity (I² = 78%). In nursing, you are expected to grade evidence explicitly — this is not optional. A literature review that treats all sources as equal weight would not be accepted in a nursing program.

What Makes Nursing Literature Reviews Unique

• Evidence hierarchy Sentence 4 names "Level I evidence" — systematic reviews sit at the top

• PICO framing Sentence 5 implies full PICO: Population (medical ICU), Intervention (nurse-led), Comparison (multidisciplinary), Outcome (delirium)

• Clinical relevance as driver Every sentence connects to patient outcomes — not theoretical contribution

• Statistical reporting in prose Sentence 4 includes I² = 78% (heterogeneity measure) directly in the paragraph

• Protocol precision Sentence 3 defines the intervention ("within 48 hours") — because in clinical practice, definitions matter

Common Mistakes in Nursing Literature Reviews

• Not grading evidence explicitly Citing a systematic review and an expert opinion as if they carry equal weight Label levels: "A Level I systematic review (Author, Year) found X, while Level V expert opinion suggests Y — a discrepancy that highlights the need for higher-quality primary studies."

• Vague intervention description "Early mobility was used in the ICU" Define operationally: "Early mobility protocols, defined as progressive physical activity initiated within 48 hours of ICU admission (Author, Year), were implemented by bedside nurses with physical therapy consultation."

• Gap is not clinically actionable (not PICO-framed) "More research on early mobility is needed" Frame with PICO: "No Level I or II study has examined nurse-led (I) early mobility protocols in medical (vs. surgical) ICU patients (P), measuring delirium incidence (O)."

• Conducting a systematic review without stating PRISMA/PROSPERO Writing a review without mentioning registration or reporting standards Include: "This systematic review follows PRISMA 2020 guidelines and is registered with PROSPERO (CRD42023XXXXXX)."

• Ignoring adverse events or implementation barriers Only reporting benefits of an intervention Include harms and barriers: "While early mobility reduces delirium duration, it carries fall risk — protocols must incorporate safety screening (Author, Year). Implementation barriers include staffing ratios and equipment availability (Author, Year)."

Nursing Writing Formula (Discipline-Specific Logic)

Nursing literature reviews follow a clinical problem → failed standard → intervention → evidence grading → PICO gap → registered review logic. This is not the same as psychology's effect-size-driven model.

Sentence 1 (Clinical problem anchor): [Condition] affects [prevalence] of [population] and is associated with [patient outcomes: mortality, LOS, cost] (Author, Year).

Sentence 2 (Failed standard of care): [Current pharmacological/usual care] demonstrates [limitation] and [adverse effects] (Author, Year; Author, Year).

Sentence 3 (Intervention introduction with operational definition): [Non-pharmacological intervention], defined as [protocol specifics], has emerged as a [clinical strategy] (Author, Year).

Sentence 4 (Evidence grading + critique): However, a [Year] systematic review (Level I evidence) found [heterogeneity statistic, e.g., I² = 78%], with trials limited by [specific flaws] (Author, Year).

Sentence 5 (PICO-framed gap): No [evidence level] study has examined [Intervention] in [Population] for [Outcome], compared to [Comparison] — a gap with direct clinical implications for [practice setting].

Sentence 6 (Study positioning with registration): This thesis presents a PROSPERO-registered systematic review and meta-analysis of [intervention] in [population], with [outcomes] as primary endpoints.

Why this formula differs: Sentence 4 names the evidence level and heterogeneity statistic — this is mandatory in nursing and has no equivalent in psychology or sociology. Sentence 5's gap is PICO-framed, making it clinically actionable. Sentence 6 mentions PROSPERO registration — a hallmark of rigorous nursing reviews that would be irrelevant in English literature or history.

How Acade Supports This Discipline-Specific Review

Acade is an AI academic research and writing assistant. It can help plan literature searches, organize notes, compare studies, develop an outline, draft synthesis-focused prose, translate academic material, and polish writing. Where citation features are included in the selected plan, it can also help format references.

Acade cannot verify that a gap is real, guarantee citation accuracy, replace disciplinary or clinical judgment, or take responsibility for authorship and submission. Check every source and follow institutional, ethical, and journal requirements. Product features, credits, and plan availability may change.

Tell Acade your clinical or nursing question, population, outcomes, evidence types, and institutional requirements. Ask it to identify the function of each sentence, show where evidence or synthesis is missing, and propose the next revision without inventing sources or results.

Review My Clinical Evidence

Related Discipline Examples

• Psychology Literature Review Example

• Education Literature Review Example

Related Research Workflows

• How to Conduct a Systematic Review

• Literature Search Strategy

Compare All Annotated Examples

Return to the Annotated Literature Review Example hub to compare sentence-level writing across all eight disciplines, or use the complete dissertation and thesis guide for the broader literature-review workflow.