Research Article

Referral Patterns and Diagnostic Yield of Lung Scintigraphy in the Diagnosis of Acute Pulmonary Embolism

Table 3

Proportion of patients who underwent computed tomography pulmonary angiography (CTPA) within 2 weeks following V/Q scintigraphy for each patient group and V/Q interpretation.

ā€‰EDINPTTCLINICOUTPTOverall

Normal (%)0/19 (0)0/36 (0)0/141 (0)3/135 (2.2)3/331 (0.9)
Low (%)1/14 (7.1)6/148 (4.1)6/109 (5.5)8/137 (5.8)21/408 (5.1)
Intermediate (%)0/6 (0)18/71 (25.4)5/41 (12.2)11/40 (27.5)34/158 (21.5)
High (%)0/4 (0)3/33 (9.1)6/60 (10.0)1/14 (7.1)10/111 (9.0)

Overall1/43 (2.3)27/288 (9.4)17/351 (4.8)23/326 (7.1)68/1008 (6.7)