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Postgrad Med J 79:363 doi:10.1136/pmj.79.932.363
  • LETTER

Cost effective strategy for a safe diagnosis of deep vein thrombosis at a district general hospital

Table 1

Summary of results (n=134)

Variable No
*Doppler negative.
D-PPG, digital photoplethysmography.
Clinical
    Positive 18
    Negative 116
D-dimer
    Positive 25
    Negative 109
D-PPG
    Positive 18
    Negative 77*
    Equivocal 27*
    Unable 12*
Doppler
    Positive 18
    Negative 116

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