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Table 1 Baseline characteristics for low- and high-risk patients

From: External validation of a multivariable claims-based rule for predicting in-hospital mortality and 30-day post-pulmonary embolism complications

Characteristic Total Cohort IMPACT Low-Risk IMPACT High-Risk
N = 47,531 N = 9,259 N = 38,272
n (%) n (%) n (%)
Age, years (mean ± SD) 67.1 ± 15.0 46.6 ± 11.1 72.1 ± 11.0
Myocardial infarction 1,647 (3.5) 14 (0.2) 1,633 (4.3)
Chronic lung disease 16,242 (34.2) 636 (6.9) 15,606 (40.8)
Stroke 2,177 (4.6) 15 (0.2) 2,162 (5.6)
Prior major bleeding 6,233 (13.1) 101 (1.1) 6,132 (16.0)
Atrial fibrillation 7,810 (16.4) 51 (0.6) 7,759 (20.3)
Cognitive dysfunction 6,489 (13.7) 3 (<0.1) 6,486 (16.9)
Heart failure 10,967 (23.1) 50 (0.5) 10,917 (28.5)
Renal failure 6,941 (14.6) 60 (0.7) 6,881 (18.0)
Liver disease 1,443 (3.0) 38 (0.4) 1,405 (3.7)
Coagulopathy 2,828 (6.0) 75 (0.8) 2,753 (7.2)
Cancer 7,287 (15.3) 4 (<0.1) 7,283 (19.0)
  1. SD standard deviation