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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