non contact thermometer accuracy

There was non-uniformity in the reference standard used for the confirmation of fever. These 21 devices were used in different settings, which were classified as inpatient or outpatient/airport. reported that thermal scanning of over 35 million travellers at borders did not detect any incoming SARS cases and hence, had little role in infection control.60 Clifford et al. The sensitivity and specificity of the included NCITs ranged from 0.182 to 0.970 and 0.599 to 1, respectively. The 2×2 table values of true positives, false negatives, false positives, and true negatives were used as input to fit the HSROC curves in order to obtain the pooled estimates of sensitivity, specificity, diagnostic odds ratio (DOR), positive and negative likelihood ratio along with 95% CIs. In the case of eligible studies where the 2×2 data were ambiguous, an attempt was made to contact the corresponding author and/or coauthors via email or on ResearchGate (https://www.researchgate.net/). Amongst thermal scanners, 11 devices were included, which involved a total of 8312 readings. We also recorded the positive and negative predictive values (PPV and NPV) in individual studies which were however found to be variable due, in part, to the varying prevalence of fever in different studies. Comparison of temporal artery, mid-forehead skin and axillary temperature recordings in preterm infants <1500 g of birthweight, Prevalence of asymptomatic SARS-CoV-2 infection: a narrative review, Temporal dynamics in viral shedding and transmissibility of COVID-19, Transmission onset distribution of COVID-19, Infectivity, susceptibility, and risk factors associated with SARS-CoV-2 transmission under intensive contact tracing in Hunan, China, Coronavirus Disease 2019 Case Surveillance — United States, January 22–May 30, 2020, Presenting characteristics, comorbidities, and outcomes among 5700 patients hospitalized with COVID-19 in the New York City area, Clinical characteristics of coronavirus disease 2019 in China, Comorbidities, clinical signs and symptoms, laboratory findings, imaging features, treatment strategies, and outcomes in adult and pediatric patients with COVID-19: a systematic review and meta-analysis, The prevalence of symptoms in 24,410 adults infected by the novel coronavirus (SARS-CoV-2; COVID-19): a systematic review and meta-analysis of 148 studies from 9 countries, Effectiveness of airport screening at detecting travellers infected with novel coronavirus (2019-nCoV), Modelling strategies for controlling SARS outbreaks, World Health Organization working group on international and community transmission of SARS. We performed a systematic review and meta-analysis to investigate its diagnostic accuracy for the detection of fever. Emergency department of 3 urban tertiary-care hospital in the United States—Albuquerque, New Mexico; Wahl Fever Alert Imager HSI2000S [Wahl Instruments Inc., Asheville, NC, USA] [, Passengers arriving at Narita International Airport, Japan, TVS-500 infrared thermoscanners (NEC/AVIO, Airline travellers from Australian airports arriving at Christchurch airport, New Zealand, Infrared thermal image scanner THERMACAM ™ E45, FLIR Systems, Sweden, Triage section in Rajvithi hospital, Bangkok, Thailand, Patients with seasonal influenza at Self-Defense Forces Central Hospital, Japan, Thermopile array (Chino Corp., Tokyo, Japan), NEC Avio Infrared Technologies Co., Ltd, TH5108ME, Tokyo, Japan, Infrared Fever Screening System (IFSS), ST Electronics. Thermal screening may be considered as a method of detection of fever in symptomatic individuals, but only as a part of a larger approach to pandemic response.

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