OS

(redirected from Observational study)
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
Related to Observational study: experimental study
AcronymDefinition
OSOperating System
OSOh Shoot (polite form)
OSOculus Sinister (Latin: Left Eye)
OSOpen Source
OSOpen Systems
OSOn Schedule
OSOld Style
OSOld School
OSOnline Services
OSOne Side
OSOverall Survival
OSOn-Site
OSOff Screen (cinematography)
OSOuter Space
OSOut of Stock
OSOffice of the Secretary
OSOverseas
OSOffice Support
OSOxidative Stress
OSOrdnance Survey
OSOregon State (also seen as OSU)
OSOmaha Steaks (meat company)
OSOld Style (or Old System; referring to Julian Calendars)
OSOrlando Sentinel (Orlando, FL newspaper)
OSOutsourcing Services
OSOutput Status
OSOfficial Statement (government finances)
OSOur Savior
OSAustrian Airlines (IATA airline code)
OSOperational Security
OSOld Stuff :-)
OSOcean Springs (Mississippi)
OSOversize
OSOperations Support (various organizations)
OSOliver Stone (director)
OSOsmium
OSOrioles (Baltimore baseball team)
OSOld Spice (after shave brand)
OSOcean Shores (Washington)
OSOverall Satisfaction
OSOut-of-Service
OSOvershoot
OSOwen Sound (City, Canada)
OSOperator Services (various agencies)
OSOff Stage
OSOssetian (language identifier; RFC 3066)
OSOn Scene
OSOver the Shoulder (cinematography)
OSOversold (stock market)
OSOxygen Sensor
OSOutlaw Star (action-anime)
OSOnly Son
OSOs Giken (automotive racing parts manufacturer)
OSObservational Study
OSOrthopedic Surgeon
OSOver Speed
OSOperations Specialist (USN Rating)
OSOpen Sockets (Diablo II gaming)
OSOuabain-Sensitive
OSOptical Scanning
OSOughtred Society (est. 1991; slide rule collectors)
OSOver Stock
OSOlympiska Spelen (Swedish: Olympic Games)
OSOwn Ship
OSOld Saxon
OSOberseminar
OSOutdoor Skills
OSOfficial Solicitor (UK)
OSOsijek, Croatia (license plate)
OSOutstation
OSOrganizational Support
OSOperserv (IRC Operator Server)
OSOnboard Software
OSOcean Surveillance
OSOrdinary Seaman
OSOff Scene
OSOffice of Security
OSOffice Superintendent
OSObsidian Sanctum (World of Warcraft)
OSOrdinary Seaman (Canadian naval rank)
OSOperations Squadron
OSOrder Statistic
OSOrbital Station
OSOffice of Systems
OSOil Separator
OSOutput Spy
OSOffice of Sustainability
OSOperating Standard
OSOperating Statement
OSOhr Somayach (school)
OSOpening Snap (mitral valve)
OSOffensive Support
OSOptical Sight
OSOuvrier Spécialisé (French: semi-skilled worker)
OSObiettivi Specifici
OSOpen Skies treaty
OSOfficer's Statement (performance evaluation)
OSObservation Squadron
OSOperational Suitability
OSOrthopterists' Society
OSObject Slice
OSOperating Strength
OSOrganized Stalking
OSOptical Silicon (semiconductor chip components)
OSOver Shield (Halo video game)
OSOvertime Scheduled
OSOblates of Wisdom
OSOperationalizing the Strategy
OSOgawa Shigeo (Engines)
OSOtm Shank Jazz Quintet (band)
OSOrganic Signal
OSOrienting Station (surveyed reference location for artillery position)
OSOrdnance Specification
OSOperational Superintendence (on overtime forms)
OSOld Silcoatian (Silcoates School, Wakefield, UK)
References in periodicals archive ?
Impact of STROBE statement publication on quality of observational study reporting: interrupted time series versus before-after analysis.
Data Source: This prospective observational study featured 26 years of biannual follow-up of nearly 100,000 male and female health care professionals in the Nurses' Health Study and the Health Professionals Follow-Up Study.
Unlike in randomized clinical trials, where strict eligibility criteria often result in a skewed population of participants, this observational study provided a representative snapshot of German patients seeking AK therapy.
Data source: This was a 12-month observational study of 18 outpatients with schizoaffective disorder.
An observational study of patients receiving homoeopathic treatment.
People shouldn't stop taking them based on this observational study.
To seek real-world findings, an observational study may require the involvement of community based practitioners as opposed to traditional clinical trialists.
The observational study is currently considered a research tool to complement information provided by RCTs.
The negative eight-year study was an observational study, not the gold standard: a double-blind placebo-controlled study.
The group also referenced a cross-sectional, observational study published in the Journal of Clinical Oncology (June 2009).
Generally, an observational study is conducted without the observer intervening with research subjects to avoid undermining research goals.
The second analysis involved 25,328 women who were not using menopausal HT at entry into the nonrandomized WHI observational study and 16,121 others who were taking estrogen plus progestin at entry.
Full browser ?