Table 3.

Quality assessment of all 12 included studies

First author, yReferenceAdequate description of study populationTests conducted before FNAIT diagnosedSample size predeterminedAll eligible patients screenedWere normal samples included?Clear definitions of associationsBlind outcome assessmentReproducibility of testing assessedMissing data reportedConfounding factors analyzed
Prospective studies 
 Williamson, 199835  Yes Yes No Yes Yes Yes No No Yes Yes 
 Maslanka, 200329  No Yes No Yes No Yes No No No No 
 Turner, 200532  Yes Yes No Yes Yes Yes No No Yes No 
 Kjeldsen-Kragh, 201926  Yes No No No No Yes No No Yes No 
Retrospective studies 
 Valentin, 199033  No No No No Yes Yes No No No No 
 L'Abbé, 199227  Yes Yes No No Yes Yes No No No No 
 Braud, 199419  No No No Yes Yes Yes No No No No 
 Loewenthal, 201328  No No No Yes Yes Yes No Yes No Yes 
 Peterson, 201330  Yes No No Yes No Yes No No Yes No 
 Delbos, 201621  Yes No No Yes Yes Yes No No No Yes 
 Sainio, 201631  Yes No No No Yes Yes No No No Yes 
 Wienzek-Lischka, 201734  Yes No No Yes No Yes No No No No 
First author, yReferenceAdequate description of study populationTests conducted before FNAIT diagnosedSample size predeterminedAll eligible patients screenedWere normal samples included?Clear definitions of associationsBlind outcome assessmentReproducibility of testing assessedMissing data reportedConfounding factors analyzed
Prospective studies 
 Williamson, 199835  Yes Yes No Yes Yes Yes No No Yes Yes 
 Maslanka, 200329  No Yes No Yes No Yes No No No No 
 Turner, 200532  Yes Yes No Yes Yes Yes No No Yes No 
 Kjeldsen-Kragh, 201926  Yes No No No No Yes No No Yes No 
Retrospective studies 
 Valentin, 199033  No No No No Yes Yes No No No No 
 L'Abbé, 199227  Yes Yes No No Yes Yes No No No No 
 Braud, 199419  No No No Yes Yes Yes No No No No 
 Loewenthal, 201328  No No No Yes Yes Yes No Yes No Yes 
 Peterson, 201330  Yes No No Yes No Yes No No Yes No 
 Delbos, 201621  Yes No No Yes Yes Yes No No No Yes 
 Sainio, 201631  Yes No No No Yes Yes No No No Yes 
 Wienzek-Lischka, 201734  Yes No No Yes No Yes No No No No