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Table 1 Baseline characteristics

From: Right atrial to left atrial area ratio on early echocardiography predicts long-term survival after acute pulmonary embolism

  Derivation cohort (n = 35) Validation cohort (n = 123) p value
Follow-up (years) 4.3 ± 1.9 3.4 ± 2.3 0.02*
Age, (years) 63 ± 18 68 ± 16 0.12
Male, no (%) 18 (51) 60 (49) 0.70
Comorbidities, no. (%)    
 Atrial fibrillation 8 (23) 29 (24) 1.00
 Diabetes 9 (26) 25 (20) 0.49
 Heart Failure 2 (9) 21 (17) 0.11
 Hypercholesterolemia 13 (37) 22 (18) 0.02*
 Ischaemic heart disease 7 (20) 34 (28) 0.51
 Malignancy 8 (23) 18 (15) 0.13
 Stroke 4 (11) 3 (2) 0.04*
 Charlson’s Comorbidity Index (CCI) Score 1.5 ± 1.8 1.6 ± 1.9 0.79
Clinical Outcomes    
 Day 1 PASP, (mmHg) 33 ± 8 41 ± 16 0.006*
 Simplified PESI score 0.9 ± 0.9 0.9 ± 1.0 0.88
 Recurrent PE, no (%) 7 (20) 9 (7) 0.05
 Death, no (%) 10 (29) 37 (30) 1.00
  1. Values are presented as mean ± SD or absolute number.
  2. PE Pulmonary embolism, PESI Pulmonary embolism severity index, *p < 0.05.