Abstract
Background: In many countries and especially in
Scandinavia, blood samples drawn in primary healthcare
are sent to a hospital laboratory for analysis. The
samples are exposed to various conditions regarding
storage time, storage temperature and transport
form. As these factors can have a severe impact on
the quality of results, we wanted to study which combination
of transport conditions could fulfil our predefined
goals for maximum allowable error.
Methods: Samples from 406 patients from nine general
practitioners (GPs) in two Danish counties were
sent to two hospitals for analyses, during two periods
(winter and summer). Transport conditions (mail,
courier pick-up, or brought to hospital by public
coach), storage time, storage temperature and centrifugation
requirements were different in the two
counties. Results were tested for deviation from a ‘‘0-
sample’’, the blood sample taken, centrifuged and
separated at the doctor’s office within 45–60 min. This
sample was considered as the best estimate of a comparison
value.
Abstract
Background: In many countries and especially in
Scandinavia, blood samples drawn in primary healthcare
are sent to a hospital laboratory for analysis. The
samples are exposed to various conditions regarding
storage time, storage temperature and transport
form. As these factors can have a severe impact on
the quality of results, we wanted to study which combination
of transport conditions could fulfil our predefined
goals for maximum allowable error.
Methods: Samples from 406 patients from nine general
practitioners (GPs) in two Danish counties were
sent to two hospitals for analyses, during two periods
(winter and summer). Transport conditions (mail,
courier pick-up, or brought to hospital by public
coach), storage time, storage temperature and centrifugation
requirements were different in the two
counties. Results were tested for deviation from a ‘‘0-
sample’’, the blood sample taken, centrifuged and
separated at the doctor’s office within 45–60 min. This
sample was considered as the best estimate of a comparison
value.
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