Table 1

Parameter estimates for test effects

Coefficient

Test
Deviation*
95% Confidence Limits
p value**

β5
1
Asserachrom
0.524
0.2293, 0.8186
0.0005

2
Auto Dimertest
0.222
-0.1466, 0.5912
0.2376

3
BC D-Dimer
-0.993
-2.4195, 0.4333
0.1724

4
D-Dimer test
0.225
0.1, 0.3494
0.0004

5
Dimertest
-2.092
-2.3392, -1.8439
<.0001

6
Dimertest EIA
-0.929
-1.1756, -0.6825
<.0001

7
Dimertest GOLD EIA
-0.193
-0.4784, 0.0935
0.1871

8
Dimertest II
-0.731
-0.9774, -0.4843
<.0001

9
Enzygnost
0.399
0.1209, 0.6766
0.0049

10
Fibrinostika
0.857
0.6865, 1.0266
<.0001

11
IL Test
0.809
0.0914, 1.5256
0.0271

12
Instant I.A.
0.558
0.216, 0.9006
0.0014

13
Liatest
-0.143
-0.3375, 0.0511
0.1486

14
LPIA
0.182
-0.0354, 0.3997
0.1007

15
Minutex
-0.323
-0.8394, 0.193
0.2197

16
Nephelotex
0.654
0.4325, 0.8745
<.0001

17
NycoCard
-0.797
-1.0434, -0.5506
<.0001

18
SimpliRED
0.393
0.1467, 0.6398
0.0018

19
Tinaquant
0.703
0.0113, 1.3948
0.0464

20
Turbiquant
-0.328
-1.6596, 1.0032
0.629

21
VIDAS
1.004
0.365, 1.6424
0.0021
β1

Overall LOR
2.489
2.4175, 2.5606
< .0001***

* estimate of deviation from overall LOR

** p-value for null hypothesis of Deviation = 0

***p-value for null hypothesis of LOR = 0

† LOR(Resultpt) = β1 + β3*PaperIDpt + β5*TestIDpt

Siadaty and Shu BMC Medical Research Methodology 2004 4:27   doi:10.1186/1471-2288-4-27