A recent systematic review suggested that physical therapy is effective, but there is only moderate evidence to support this conclusion.

A 1998 systematic review of studies assessing its prevalence in 13 countries concluded that about 31 % of cancer patients use some form of complementary and alternative medicine .< ref name = Ernst_Cassileth > Alternative medicine varies from country to country.

A systematic 2003 review of controlled clinical trials related to the Alexander Technique found two reputable studies suggesting the Alexander Technique is effective in reducing the disability of patients suffering from Parkinson ’ s disease and improving pain behaviour and disability in patients with back pain, and concluded that the evidence supporting the effectiveness of the Alexander Technique is encouraging but not convincing.

A systematic review of randomized controlled trials published in the Archives of General Psychiatry showed up to one-third of the six-week effect of SSRI treatment can be seen in the first week.

Nevertheless, a 2009 systematic review and meta-analysis of trials in people diagnosed with schizophrenia found that less than half ( 41 %) showed any therapeutic response to an antipsychotic, compared to 24 % on placebo, and that there was a decline in treatment response over time, and possibly a bias in which trial results were published.

A systematic review by the Cochrane Collaboration found no studies of sufficient quality to make any statement on the efficacy of the vaccine.

Guidelines issued by the UK-based National Institute for Health and Clinical Excellence ( NICE ), carried out a systematic review using different methodology and came to a different conclusion.

However, controversy exists as to tolerance to the anxiolytic effects with some evidence that benzodiazepines retain efficacy and opposing evidence from a systematic review of the literature that tolerance frequently occurs and some evidence that anxiety may worsen with long-term use.

A systematic review of CBT in depression and anxiety disorders concluded that " CBT delivered in primary care, especially including computer-or Internet-based self-help programs, is potentially more effective than usual care and could be delivered effectively by primary care therapists.

A systematic review found that the risk of death from manipulations to the neck outweighs the benefits.

“ Health effects of Relocation following disasters: a systematic review of literature ”.

Using techniques from science, engineering and statistics, such as the systematic review of medical literature, meta-analysis, risk-benefit analysis, and randomized controlled trials ( RCTs ), EBM aims for the ideal that healthcare professionals should make " conscientious, explicit, and judicious use of current best evidence " in their everyday practice.

The systematic review of published research studies is a major method used for evaluating particular treatments.

A 2001 review of 160 Cochrane systematic reviews ( excluding complementary treatments ) in the 1998 database revealed that, according to two readers, 41. 3 % concluded positive or possibly positive effect, 20 % concluded evidence of no effect, 8. 1 % concluded net harmful effects, and 21. 3 % of the reviews concluded insufficient evidence.

The second area is the systematic review of medical literature to evaluate the best studies on specific topics.

For example, the strongest evidence for therapeutic interventions is provided by systematic review of randomized, triple-blind, placebo-controlled trials with allocation concealment and complete follow-up involving a homogeneous patient population and medical condition.

It concludes from a systematic review of available research that,

*" A systematic review has found that hypnosis enhances the effects of cognitive behavioural therapy for conditions such as phobia, obesity, and anxiety.

According to a systematic review by the Cochrane Collaboration, the best evidence in the treatment of LEMS exists for 3, 4-aminopyridine and IVIG.

A systematic review of the literature related to PID treatment was performed prior to the 2006 CDC sexually transmitted infections treatment guidelines.

Consequently, a systematic review by the Cochrane Collaboration ( published in 2008 ) found insufficient evidence to recommend the use of silver-treated dressings to treat infected wounds.

A systematic review by the Cochrane Collaboration found no studies of sufficient quality to make any statement on the efficacy of the vaccine.

In a systematic review including two prospective studies of 47, XYY boys identified by newborn screening programs and one retrospective study of 47, XYY men identified by screening men over 184 cm ( 6 ' 0 ") in height, forty-two 47, XYY boys and men had an average 99. 5 verbal IQ and 106. 4 performance IQ .< ref name =" Ratcliffe 1994 ">

In a recent systematic review of eight trials of day care for disadvantaged children under 5 years of age, long term follow up showed lower pregnancy rates among adolescents.

" In 2003, The UK ECT Review group published a systematic review and meta-analysis comparing ECT to placebo and antidepressant drugs.

More recently, Paul D. Feinberg, professor of biblical and systematic theology at Trinity Evangelical Divinity School, also identified seven categories of pantheism: Hylozoistic ; Immanentistic ; Absolutistic monistic ; Relativistic monistic ; Acosmic ; Identity of opposites ; Neoplatonic or emanationistic.

But several hundred groups ( taxa ) of metazoa of the earlier Proterozoic era have been identified since systematic study of those forms started in the 1950s.

It identifies the functional and physical attributes of software at various points in time, and performs systematic control of changes to the identified attributes for the purpose of maintaining software integrity and traceability throughout the software development life cycle.

Those identified as spies, “ running dogs ”, “ revisionists ”, or coming from a suspect class ( including those related to former landlords or rich peasants ) were subject to beating, imprisonment, rape, torture, sustained and systematic harassment and abuse, seizure of property, denial of medical attention, and erasure of social identity.

The United Nations Statistics Division has identified a scheme a systematic classification of macro-geographic regions ( continents ), and sub-continental subregions, and selected socioeconomic groupings.

Richard Bandler and John Grinder identified this kind of " artful vagueness " as a central characteristic of their ' Milton Model ', a systematic attempt to codify Erickson's hypnotic language patterns.

Sismondi and his contemporary Robert Owen, who expressed similar but less systematic thoughts in 1817 Report to the Committee of the Association for the Relief of the Manufacturing Poor, both identified the cause of economic cycles as overproduction and underconsumption, caused in particular by wealth inequality.

A systematic review of DBS for treatment resistant depression and obsessive – compulsive disorder identified 23 cases — nine for OCD, seven for treatment-resistant depression, and one for both.

However, in his widely used systematic account, Rice identified three species, viewing the Indo-Pacific as two species named simply the Indian and Pacific.

Li Rong, in a systematic comparison of the rhyme tables with a recently discovered early edition of the Qieyun, identified seven classes of finals.

Menetries divided the collection by order, identified the material where possible and arranged the collection in systematic order.

Insofar as sufferers of visual snow have undergone ophthalmic, neurological and psychiatric examinations, no systematic problems besides the visual snow have been identified.

If the cause of the systematic error can be identified, then it can usually be eliminated.

If the cause of a systematic error can be identified, then it can usually be eliminated.

Decategorification is a systematic process by which isomorphic objects in a category are identified as equal.

Discrepancies were reported to the Giro, so that any attempt at systematic fraud could be easily identified.

By running a large number of failures through the diagnostics process, called volume diagnostics, systematic failures can be identified.