The 330 NOC outcomes in Nursing Outcomes Classification (NOC) (third ed.) are listed in alphabetical order. Each outcome has a definition, a list of indicators that can be used to evaluate patient status in relation to the outcome, a target outcome rating, place to identify the source of data, a five-point Likert scale to measure patient status, and a short list of references used in the development of the outcome. For 76 of the outcomes an additional measurement scale was added to the outcome based on feedback from our research in 10 clinical sites. Examples of scales used with the outcomes are 1=Extremely compromised to 5= Not compromised and 1=Never demonstrated to 5=Consistently demonstrated. The NOC (third ed.) includes 311 individual level outcomes, 10 family and 9 community level outcomes. The NOC outcomes are grouped in a coded taxonomy that organizes the outcomes within a conceptual framework to facilitate locating an outcome. The 330 outcomes are grouped into thirty-one classes and seven domains for ease of use. The seven domains are Functional Health, Physiologic Health, Psychosocial Health, Health Knowledge & Behavior, Perceived Health, Family Health, and Community Health. Each outcome has a unique code number that facilitates its use in computerized clinical information systems and allows manipulation of data to answer questions about nursing care quality and effectiveness. The classification is continually updated to include new outcomes and to revise older outcomes based on new research or user feedback and is published on a 4 year cycle.
The research to develop NOC began with the formation of the outcomes research team in 1991 and has progressed through the following phases.
- Phase I - Pilot Work to Test Methodology (1992-1993)
- Phase II - Construction of the Outcomes (1993-1996)
- Phase III - Construction of the Taxonomy and Clinical Testing (1996-1997)
- Phase IV - Evaluation of Measurement Scales (1998-2002)
- Phase V - Refinement and Clinical Use (1997 - Present)
Funding for Phase I was received from Sigma Theta Tau International and funding for Phases II through V from the National Institutes of Health, National Institute of Nursing. Multiple research methods have been used in the development of NOC. An inductive approach was used to develop the outcomes based on current practice and research. Concept analysis and research team review were used in the construction of the outcomes. Questionnaire surveys of expert nurses were used to assess the content validity and nursing sensitivity of the outcomes. The taxonomy was constructed using similarity/dis-similarity analysis and hierarchical clustering techniques. Feedback from clinical test sites and other sites implementing NOC have been used to identify new outcomes for development and refine current outcomes. Currently, inter-rater reliability, criterion measures and other methods are being used to evaluate the reliability, validity, and sensitivity of the outcome measures in clinical sites. This data is included in the third edition.
The outcomes have been linked to NANDA International diagnosis, to Gordon's functional patterns, to the Taxonomy of Nursing Practice, to Omaha System problems, to resident admission protocols (RAPs) used in nursing homes, to the OASIS System used in home care and to NIC interventions. A more in depth look at the linkage between NANDA, NIC and NOC is available in a separate book Nursing diagnoses, outcomes, & interventions: NANDA, NOC, and NIC Linkages. This publication is also available in a CD-ROM.
NOC is one of the standardized languages recognized by the American Nurses' Association (ANA). As a recognized language it meets the language guideline standards set by ANA's Nursing Information and Data Set Evaluation Center (NIDSEC) for information system vendors. NOC is included in the National Library of Medicine's Metathesaurus for a Unified Medical Language and in The Cumulative Index to Nursing Literature (CINAHL) and has been approved for use by Health Level 7 Terminology (HL7). NOC is currently being mapped into SNOMED (Systemized Nomenclature of Medicine). The use of NOC in practice, nursing education, and research is the most accurate indicator of NOC's usefulness. NOC is being adopted in a number of clinical sites for the evaluation of nursing practice and is being used in educational settings to structure curricula and teach students clinical evaluation. Interest in NOC has been demonstrated in other countries. NOC has been translated into Dutch, Japanese, Korean, French, and Spanish and several other translations are in progress including German and Portuguese.
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