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The function of a questionnaire could be considered similar to that of a thermometer, which detects fever without revealing its cause, leaving it to the physician to determine the nature of the problem.
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A more recent study involving airline travelers estimated a positive predictive value of ITIS for fever detection of 0.9%4.1%% for detecting fever of any cause and a positive predictive value of fever for influenza of 2.0%2.8%% for detecting influenza-associated fever (3 ).
A review of hospital-based studies examining the efficacy of ITISs in detecting fever found that the sensitivity of fever detection ranged from 4% to 89.6%, and the positive predictive value with a 1% prevalence of fever ranged from 3.5% to 65.4% (22 ).
Sometimes the dancers pat and touch one another as if to ease pain or detect fever, gestures like small, remarkable nubbles in the weave of the dance.
Therefore, the prevalence of fever (by each definition) in the holders of marked questionnaires was combined with the sensitivity and specificity of ITIS for detecting fever to estimate the PPV in the population of all travellers who arrived on the flights that took part in the study.
ITIS performed moderately well in detecting fever but in this study, during a seasonal epidemic of predominantly influenza type B, the proportion of influenza-infected travellers who were febrile was low and ITIS were not much better than chance at identifying travellers likely to be influenza-infected.
Diagnosis has relied on detecting fever, and most people were given antimalarial drugs presumptively.
The sensitivity of entry screening is a product of the sensitivity of fever for detecting influenza cases and the sensitivity of the infrared thermoscanners in detecting fever.
Jalil et al. [ 1] stated that measuring the temperature is obviously the most accurate method of detecting fever but these authors found that only one third of mothers actually measured the child's temperature at home to detect fever.
Infrared thermal imaging devices have been proposed as a noncontact and noninvasive method for detecting fever (4 – 6 ).
Physical examination at admission (day 1) detected fever (38.5°C), dyspnea, and a low body mass index of 17.5 kg/m.
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CEO of Professional Science Editing for Scientists @ prosciediting.com