Thrombosis

Thrombosis / 2017 / Article / Tab 1

Research Article

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

Table 1

Summary of patient demographics and V/Q scintigraphy results for different referral sources.

EDINPTTCLINICOUTPT

N V/Q studies43288351326
N 1st year20142189185
N 2nd year23146162141
N weekdays (%)33 (76.6)257 (89.2)279 (79.5)311 (95.4)
N weekends (%)10 (23.3)31 (10.8)72 (20.5)15 (4.6)
N female (%)26 (60.5)155 (53.8)239 (68.1)216 (66.3)
N pregnant (% of females)2 (7.7)16 (10.3)42 (17.6)14 (6.5)
Mean age ± SD53.9 ± 22.664.7 ± 19.346.3 ± 19.258.5 ± 18.9
Age range20–8917–9918–9318–96
Contrast contraindication19 (44.2)172 (59.7)43 (12.3)82 (25.2)
N renal failure (%)18 (41.9)158 (54.9)34 (9.7)73 (22.4)
N contrast allergy (%)4 (9.3)28 (7.3)12 (3.4)13 (4.0)
N pulmonary hypertension (%)0 (0.0)23 (8.0)1 (0.3)45 (13.8)
N chronic lung disease (%)1 (2.3)55 (19.1)16 (4.6)26 (8.0)
N chronic heart failure (%)3 (7.0)58 (20.1)3 (0.9)23 (7.1)

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