reference group


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Related to reference group: Primary group

group

(groop)
A number of similar objects or structures considered together, e.g., bacteria with similar metabolic characteristics. Atomic molecules and compounds with similar structures or properties are classified with certain groups.

alcohol group

The hydroxyl, -OH, which imparts alcoholic characteristics to organic compounds. These exist in three forms: primary, -CH2OH; secondary, =CHOH; and tertiary, =COH.

amino acid group

The NH2 group that characterizes the amines.

azo group

In organic chemistry, the group -N=N-.

blood group

See: blood group

clinical cooperative group

A network of clinicians and scientists who work together from widely separated locations to study and treat relatively rare diseases, e.g., certain forms of cancer. In cancer care, prominent clinical cooperative groups include the Children's Oncology Group (COG), the Gynecology Oncology Group (GOG), and the Eastern Cooperative Oncology Group (ECOG).

coli-aerogenes group

Coliform bacteria.
See: coliform (2)

colon-typhoid-dysentery group

The collective term for Escherichia, Salmonella, and Shigella bacteria.

control group

Control (4).

diagnosis-related group

Abbreviation: DRG
An indexing or classification system for standardizing prospective payment for medical care. Diseases and conditions are assigned to a single DRG when they are felt to share similar clinical and health care utilization features. The reimbursement for treating all individuals within the same DRG is the same regardless of actual cost to the health care facility. See: table
DRG Numerical DesignationDiagnosis
371, 372, 373, 374,388, 389, 390, 391Childbirth with or without operative obstetrics; with or without complications
359Uterine and adnexal procedures for nonmalignant diseases
430Psychoses
498, 500, 243Spinal fusion and other back and neck procedures; medical back pain
143, 125, 112Chest pain; circulatory disorders other than acute myocardial infarction with cardiac catheterization
116Permanent pacemaker placement or percutaneous transluminal coronary angioplasty with coronary artery stent
182, 183Esophagitis, gastritis, and miscellaneous digestive disorders
89, 91Simple pneumonia and pleurisy
494Laparoscopic cholecystectomy
127, 87Heart failure and shock; pulmonary edema
294Diabetes mellitus
106Coronary bypass graft surgery with cardiac catheterization
209Major joint and limb reattachment procedures (esp. hip and knee replacement)
25Seizures and headache
462Rehabilitation
14Specific cerebrovascular disorders, excluding transient ischemic attack
79, 97, 98Complicated respiratory infections; bronchitis and asthma
174Gastrointestinal hemorrhage
167Appendectomy
148Major small and large bowel procedures
483Tracheostomy
475Respiratory system diagnosis with ventilator support
416Septicemia
320Kidney and urinary tract infections
297Nutritional and miscellaneous metabolic disorders
128Deep vein thrombosis
130Peripheral vascular disorders
277Cellulitis
294Renal failure
489HIV disease with major related conditions

focus group

An assembly of individuals affected by a specific subject (as by disease, health care delivery system, marketed service, professional or management issue) to solicit and study their opinions, identify interests, and make strategic plans to meet expressed needs.

Hh blood group

See: blood group

historical control group

In a research study, a person or group of persons who were treated in the past and who provide contrast and comparison to participants currently being studied. Because a wide variety of variables may change over time, the use of historical controls as opposed to a contemporary control group is often an indication that an investigation has less methodological rigor.

isogenous group

A cluster of cells that have come from one cell, e.g., the clusters of chondrocytes in cartilage.

Kell blood group

See: blood group

Leapfrog Group

See: Leapfrog Group

mutual help group

Support group.

Mycobacterium simiae-avium group

Abbreviation: SAV mycobacterium
An emerging group of nontuberculous bacilli found widely in nature. They are slow-growing, acid-fast, and occasionally cause opportunistic infections in immunocompromised patients. They are generally resistant to most antituberculous drugs.

peptide group

The -CONH radical.

prosthetic group

The nonamino acid component of a conjugated protein. It is usually the portion of an enzyme that is not an amino acid.
See: apoenzyme; holoenzyme

rabies virus group

A genus of viruses whose official designation is Lyssavirus. The group includes the causative agent of rabies in humans.

reference group

Control (3).

resource utilization group

Abbreviation: RUG
Any of 44 classifications into which nursing home patients may be assigned according to their activity levels, underlying illnesses, the complexity of care they need, their cognitive status, and other variables affecting their care. The primary use is for insurance reimbursement calculations.

saccharide group

The monosaccharide unit, C6H10O5, a component of higher polysaccharides.

support group

A group of patients or families of patients with similar problems such as breast cancer, multiple sclerosis, or alcoholism, who meet to assist one another in coping with their problems and seeking solutions. The composition and focus of support groups vary. Some groups comprise patients who have or have had the same disorder. Discussions often center on current treatments, resources available for assistance, and what individuals can do to improve or maintain their health. Other groups involve those who have had the same psychological and emotional trauma, such as rape or the death of a loved one. Benefits expressed by members include the knowledge that they are not alone and that others have experienced the same or similar problems and have learned to cope effectively. Synonym: mutual help group

T-group

See: T-group
References in periodicals archive ?
Influence of gender difference in reference group on Smartphone users' purchasing decision-making process, Master Level - Degree Project in International Marketing and Brand Management,LUND University.
The concentration of the soluble form of Fas (sFas) in the PF of patients with II and III/IV stage endometrioses was 9.9 [+ or -] 7.4 and 16.2 [+ or -] 13.1, respectively, which was significantly higher than that found in the reference group: 5.5 U/l [+ or -] 4.4 (Table 2).
H2b: Atypical low spending of the aspirational reference group will influence low SCO consumers to (a) increase spending from their current level for public products, but (b) not change their spending from their current level for private products.
In physiological studies performed against the background of the scientific and economic experience, there was a general tendency to increasing digestibility of all nutrients in the forage by bull-calves in experimental groups compared to the reference group.
Even Strong noted that if different individuals made up the men-in-general and the women-in-general reference groups, the correlations changed dramatically in his occupational scales (Kuder, 1977a).
The 18 items in the questionnaire related to physical health and the 18 related to psychological health were analyzed, and significant differences were found between the USH2 group and the reference group in most domains.
(12) NSW Civil and Administrative Tribunal, NCAT Reference Group Minutes (27 March 2013) 4.
The purpose for reference group formation can be extremely broad (e.g., comparing overall institutional effectiveness with other "peer" institutions) or extremely focused (e.g., setting goals for faculty research funding).
In another study, peers emerged as the most important reference group in a purchase decision process (Kamaruddin & Mokhlis, 2003), consistent with the findings of Yoh (2005).
Rather, we strive to remain loyal to the reference groups to which we identify.
In a restrictive institutional environment, the reference group of the host country carries the most clear, un-complicated signal of what is acceptable, legitimate and appropriate in the host country, and offers decision makers the most uncomplicated signal as compared to any other reference groups of industry or MNC parent.

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