Table 3

Ratios of test order volumes by defect category (See Methods for explanation)


Raw data (all clients)
Filtered data
All surveyed clients
Surveyed clients not testing in-house

Protein C Functional/Total Ag ratio
1.10
1.09
1.12
1.65
Protein S (Functional+Free Ag)/Total Ag ratio
1.28
1.27
1.21
2.10
Antithrombin Functional/Total Ag ratio
2.10
2.10
2.91
3.50
APC resistance/V Leiden DNA ratio
0.13
0.12
0.15
0.15

Jackson et al. BMC Clinical Pathology 2008 8:3   doi:10.1186/1472-6890-8-3