Diagnostic value of C reactive protein in infections of the lower respiratory tract: systematic review

被引:165
作者
van der Meer, V
Neven, AK
van den Brock, P
Assendelft, WJ
机构
[1] Leiden Univ, Med Ctr, Dept Med Decis Making, NL-2300 RC Leiden, Netherlands
[2] Leiden Univ, Med Ctr, Dept Infect Dis, NL-2300 RC Leiden, Netherlands
[3] Leiden Univ, Med Ctr, Dept Gen Practice & Nursing Home Med, NL-2300 RC Leiden, Netherlands
来源
BRITISH MEDICAL JOURNAL | 2005年 / 331卷 / 7507期
关键词
D O I
10.1136/bmj.38483.478183.EB
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Objectives To evaluate the diagnostic accuracy of C reactive protein in detecting radiologically proved pneumonia and to evaluate how well it can discriminate between bacterial and viral infections of the lower respiratory tract. Data sources Medline and Embase (January 1966 to April 2004), with reference checking. Study selection We included articles comparing C reactive protein with a chest radiograph or with microbiological work-up as a reference test. Two authors independently assessed methodological items. Results None of the studies met all validity criteria. Six studies used an infiltrate on chest radiograph as reference test. Sensitivities ranged from 10% to 98%, specificities from 44% to 99%. For adults, the relation of C reactive protein with an infiltrate (in a subgroup analysis of five studies) showed an area under the curve of 0.80 (95% confidence interval 0.75 to 0.85). In 12 studies, the relation of C reactive protein with a bacterial actiology of infection of the lower respiratory tract was studied. Sensitivities ranged from 8% to 99%, specificities from 27% to 95%. These data were epidemiologically and statistically heterogeneous, so overall outcomes could not be calculated. Conclusion Testing for C reactive protein is neither sufficiently sensitive to rule out nor sufficiently specific to rule in an infiltrate on chest radiograph and bacterial actiology of lower respiratory tract infection. The methodological quality of the diagnostic studies is generally poor. The evidence does not consistently and sufficiently support a wide introduction of C reactive protein as a rapid test to guide antibiotics prescription.
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页码:26 / 29
页数:4
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