The clinical detection of scleral icterus: observations of multiple examiners.

Abstract:

:Sixty-two medical observers at various levels of medical training examined six patients for the presence or absence of scleral icterus in a double-blind survey. At a total serum bilirubin of 42.8 mmol/l (2.5 mg/dl) and 53.0 mmol/l (3.1 mg/dl), 58% (95% confidence interval [CI] 33-80%) and 68% (95% CI 46-85%) of examiners detected the presence of scleral icterus, respectively. Level of training appeared to influence specificity, as 6 of 8 apparent false-positives (total serum bilirubin = 12.0 mmol/l [0.7 mg/dl] and the presence of scleral icterus) were attributable to medical students. Level of training did not appear to influence sensitivity, as 3 of 11 apparent false-negatives (total serum bilirubin = 66.7 mmol/l [3.9 mg/dl] and the absence of detection of scleral icterus) were not attributable to medical students (p = 0.278). Even at the often-quoted estimate of 42.8 mmol/l (2.5 mg/dl) at which at scleral icterus is detected, approximately one-third of medical examiners in our study did not detect scleral icterus.

journal_name

Mil Med

journal_title

Military medicine

authors

Ruiz MA,Saab S,Rickman LS

subject

Has Abstract

pub_date

1997-08-01 00:00:00

pages

560-3

issue

8

eissn

0026-4075

issn

1930-613X

journal_volume

162

pub_type

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