# Situation: On the evening shift, a 30-bed adult medical ward has 28 clients. The staff are the charge nurse, a registered nurse (RN) with 6 years of medical ward experience, an RN floated from the operating room who has never worked on a medical ward, and one trained nursing attendant. The chief nurse asks the head nurse to justify another RN for the evening shift. The head nurse proposes using a patient classification system rather than a fixed nurse-to-bed ratio to estimate needs. Which explanation BEST supports this proposal?

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> subject: Nursing Practice III — Care of Clients with Problems in Surgery, Oxygenation, Fluid and Electrolytes, Infectious, Inflammatory and Immunologic Response, Cellular Aberrations

## 문제

Situation: On the evening shift, a 30-bed adult medical ward has 28 clients. The staff are the charge nurse, a registered nurse (RN) with 6 years of medical ward experience, an RN floated from the operating room who has never worked on a medical ward, and one trained nursing attendant.

The chief nurse asks the head nurse to justify another RN for the evening shift. The head nurse proposes using a patient classification system rather than a fixed nurse-to-bed ratio to estimate needs. Which explanation BEST supports this proposal?

## 보기

1. The Philippine Nursing Act of 2002 (Republic Act 9173) requires patient classification
2. Patient classification removes the need to add a relief factor
3. A fixed ratio cannot be used to plan staff for night shifts
4. A fixed ratio does not reflect differences in client acuity **✔ 정답**

**정답: 4**

## 해설

The descriptive (ratio) method is simple but ignores acuity: two wards with the same number of beds may need very different nursing time. Patient classification groups clients by care needs and applies standard care hours, which gives evidence for more staff when acuity is high. A relief factor is still added to cover days off and leave.

## 심화 해설

Why a fixed bed ratio is not enough

The descriptive or ratio method counts beds or clients and assumes every occupied bed demands roughly the same nursing time. That assumption breaks down quickly on a real medical ward. Two 28-bed units can look identical on a staffing sheet, yet one may be filled with stable clients awaiting discharge while the other is managing multiple confused, incontinent, or hemodynamically unstable clients. A fixed nurse-to-bed ratio does not reflect differences in client acuity, dependency, or the actual nursing work generated by each client. The patient classification system addresses this by grouping clients according to care needs and assigning standard nursing care hours to each category, which produces an evidence-based estimate of required staffing rather than a simple headcount.

How patient classification captures workload

Patient classification systems are designed to measure workload per shift, not just occupancy. In the neonatal and pediatric intensive care literature, workload has been estimated from patient acuity levels rather than bed counts alone [3][4]. The same logic applies on an adult medical ward: a client requiring frequent neurologic checks, complex wound care, or assistance with all activities of daily living generates far more nursing time than a client who is independent and awaiting placement. Acuity is the central variable that a ratio method ignores. When the head nurse proposes a patient classification system, the proposal is stronger because it links staffing requests to measurable care demands, which is more persuasive to administrators than simply stating that the ward is busy.

Dynamic workload versus static ratios

Workload on a ward fluctuates within a shift and across days. Electronic health record-generated work intensity scores illustrate this point: scores are automatically updated as new information is entered, reflecting changes in client condition without requiring separate manual data entry [1]. Traditional patient classification tools also measure workload per shift, but they add an administrative burden for nursing staff [2]. Despite that limitation, the core advantage remains: classification systems capture changing acuity and dependency, while a fixed ratio remains static regardless of how sick the clients become. In the scenario, the evening shift includes an RN floated from the operating room who has never worked on a medical ward. That skill-mix concern is separate from the number of clients, but it reinforces why a simple bed count is inadequate—staffing adequacy depends on both workload and the capability of the staff available [3].

Why the other options do not fit

The Philippine Nursing Act of 2002 does not mandate patient classification as the specific method for evening staffing decisions, so option 1 is not the best explanation. Option 2 is incorrect because Key point! a relief factor is still added to cover days off, holidays, and leave even when patient classification is used. Option 3 is also incorrect because fixed ratios can be used for any shift; the problem is not the shift itself but the failure to account for acuity differences.

| Method | What it measures | Limitation |
| --- | --- | --- |
| Fixed nurse-to-bed ratio | Number of occupied beds | Ignores acuity and dependency; assumes equal workload per client |
| Patient classification system | Care needs and standard nursing hours per category | Requires per-shift data entry or electronic estimation; still needs a relief factor |

Applying this to the staffing request

The head nurse is not simply asking for another nurse because the ward is almost full. The request is justified by the possibility that the 28 clients include a high proportion of high-acuity clients whose care demands exceed what the current mix of staff can safely manage. A patient classification system converts that clinical judgment into standardized, reproducible workload data, which is exactly what a chief nurse needs to evaluate whether an additional RN is warranted. The floated OR nurse adds another layer of risk because unfamiliarity with medical ward routines may increase the effective workload for the experienced medical RN, even if the bed count does not change. Watch out! Do not confuse the number of clients with the amount of nursing work; acuity and dependency are the variables that drive safe staffing decisions.References (research sources)

- [1]Evaluation of Electronic Health Record-Generated Work Intensity Scores and Nurse Perceptions of Workload Appropriateness.Research articleWomack D, Warren C, Hayes M, Stoyles S, Eldredge D (2021) · DOI: 10.1097/CIN.0000000000000687

- [2]Estimating Nurse Workload Using a Predictive Model From Routine Hospital Data: Algorithm Development and Validation.Research articleMeredith P, Saville C, Dall'Ora C, Weeks T, Wierzbicki S, Griffiths P (2025) · DOI: 10.2196/71666

- [3]Measuring nursing workload in neonatal intensive care.Research articleSpence K, Tarnow-Mordi W, Duncan G, Jayasuryia N, Elliott J, King J (2006) · DOI: 10.1111/j.1365-2934.2006.00609.x

- [4]Association of nursing workload and unplanned extubations in a pediatric intensive care unit.Research articleReam RS, Mackey K, Leet T, Green MC, Andreone TL, Loftis LL (2007) · DOI: 10.1097/01.PCC.0000269379.40748.AF

## 임상 시나리오

Patient Classification for Staffing JustificationUsing acuity-based workload evidence instead of fixed ratios
A fixed nurse-to-bed ratio assumes every occupied bed demands similar nursing time. Two 28-bed units can look identical on paper yet have very different workloads depending on client acuity.

A patient classification system groups clients by care needs and assigns standard nursing care hours per category. This produces an evidence-based estimate of required staffing that reflects actual workload, not just headcount.

CautionA relief factor must still be added to cover days off, holidays, and leave. Patient classification addresses direct care needs but does not eliminate the need for replacement staff.

## 핵심 개념

- **Patient Classification System** — A method that groups clients by care needs and assigns standard nursing care hours to each category to estimate workload and staffing requirements.
- **Descriptive (Ratio) Method** — A staffing approach that counts beds or clients and assumes each occupied bed requires similar nursing time, ignoring acuity differences.
- **Acuity** — The severity of a client's condition and the intensity of nursing care required, which directly affects workload.
- **Relief Factor** — Additional staff added to cover days off, holidays, sick leave, and other absences beyond direct care needs.

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