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A simple prediction rule identified patients with pulmonary embolism at low risk of short term death

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 Q In patients with pulmonary embolism (PE), can those who are at low risk of short term mortality (and candidates for outpatient treatment) be identified from medical history and clinical findings?

Clinical impact ratings GP/FP/Primary care ★★★★★★☆ Internal medicine ★★★★★★☆ Emergency medicine ★★★★★★☆

METHODS

Embedded ImageDesign:

separate derivation, internal validation, and external validation cohorts.

Embedded ImageSetting:

186 non-governmental hospitals in Pennsylvania, USA (derivation and internal validation cohorts) and 3 university hospitals in Switzerland and France (external validation cohort).

Embedded ImagePatients:

15 531 inpatients ⩾18 years of age (45% ⩾70 y of age, 60% women) with a primary discharge diagnosis of acute PE were randomly divided into derivation (n = 10 354) and internal validation (n = 5177) cohorts. The external validation cohort consisted of 221 patients (49% ⩾70 y of age, 55% women) with confirmed PE who had presented …

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