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Download het volledig rapport (302 p.) - KCE

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<strong>KCE</strong> reports vol. 6A Prenatale zorg 82<br />

Study Ref Population Intervention Outcomes Results Comments Study<br />

type<br />

and James, [342] attending compared with<br />

60.0 86.1 98.0 82.3<br />

1993<br />

antenatal clinic<br />

Specificity (SP) Leuc % % 16.1% % %<br />

UK hospital Reagent strip testing<br />

67.5 99.7 98.5 98.2<br />

(testing for individual PPV<br />

Nit % % 90.0% % %<br />

reagent strips then in<br />

57.4 93.2 97.8 90.6<br />

combination) NPV<br />

Pr % % 29.7% % %<br />

Leuc Leucocyte Accuracy Blood<br />

57.4<br />

%<br />

93.2<br />

% 29.7%<br />

97.8<br />

%<br />

92.0<br />

%<br />

Nit-Nitrite<br />

All 4<br />

81.8<br />

%<br />

79.0<br />

% 10.5%<br />

99.3<br />

%<br />

73.6<br />

%<br />

Bachman et<br />

al.,<br />

1993<br />

Robertson<br />

et al., 1988<br />

4<br />

[347]<br />

4<br />

[346]<br />

1047 patients<br />

attending<br />

antenatal clinic<br />

US hospital<br />

750 patients<br />

attending an<br />

Army Medical<br />

Centre in the<br />

USA<br />

Pr-Protein<br />

Commercially<br />

available reagent<br />

strips used<br />

Urine culture<br />

compared<br />

with reagent strip<br />

testing (testing for<br />

nitrites)<br />

Commercially<br />

available<br />

reagent strips used<br />

Urine dipstickleucocyte<br />

esterase<br />

and nitrite compared<br />

with urine culture<br />

ASB defined as two<br />

Sensitivity<br />

Specificity<br />

PPV<br />

Sensitivity<br />

Specificity<br />

PPV<br />

60.0 86.1 98.0 82.3<br />

Leuc % % 16.1% % %<br />

67.5 99.7 98.5 98.2<br />

Nit % % 90.0% % %<br />

Either 73.0 85.9 98.9 83.0<br />

+ % % 15.9% % %<br />

Test S SP PPV<br />

Nitrite 45.8% 99.7% 78.6%<br />

LE 16.7% 97.2% 12.1%<br />

Both<br />

+<br />

Either<br />

+<br />

12.5% 100% 100.0%<br />

50.0% 96.9% 27.3%<br />

Test S SP NPV PPV<br />

Nitrite 43.4%<br />

98.9<br />

%<br />

LE 77.4% 96.1<br />

%<br />

95.1% 79.4%<br />

97.9% 64.0%<br />

Reagent strip testing<br />

using<br />

nitrites only will<br />

potentially fail to detect<br />

50% of cases of ASB<br />

Sensitivity of either test<br />

positive higher in this<br />

series than Shelton or<br />

4[343]<br />

Bachman 4[347]<br />

EL<br />

TES 3<br />

TES 3

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