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Table 1 Clinical, demographic and investigational characteristics of the study groups

From: Efficacy and safety of hydro-mechanical defragmentation in intermediate- and high-risk pulmonary embolism

Characteristics Group A (HMD) Group B (ST) p value
No. 25 No. 25
Age (range) year 49.6 ± 13.13 (26–68) 42.92 ± 12.3 (28–80) 0.070
Female gender (%) 13 (52%) 17 (68%) 0.248
Risk factor for pulmonary embolism    
 Major surgery 6 (24%) 10 (40%) 0.363
 Fracture 6 (24%) 3 (12%) 0.462
 Cancer 3 (12%) 1 (4%) 0.602
 Paraplegia 1 (4%) 0 (0%) 1.000
 Contraceptive pills 3 (12%) 4 (16%) 1.000
 Stroke 0 (0%) 2 (8%) 0.470
 Unknown 6 (24%) 5 (20%) 1.000
CTPA results on admission (%)    
 Bilateral main PE 21 (84%) 17 (68%) 0.069
 Saddle shaped PE 4 (16%) 2 (8%)
 Right main PE 0 4 (16%)
 Left main PE 0 2 (8%)
Echocardiography (%)    0.97
 Dilated right side 25 (100%) 25 (100%) 0.069
 60/60 sign 25 (100%) 25 (100%)
 McConnell sign 25 (100%) 25 (100%)
Type of pulmonary embolism(%)    
 High-risk PE 17 (68%) 17 (68%) 0.989
 Intermediate-high-risk PE 8 (32%) 8 (32%)
Procedure done (%)    
 Fragmentation only 10 (40%) 0  
 Fragmentation and local thrombolysis 9 (36%) 0
 Fragmentation and local thrombolysis after failure of ST 6 (24%) 0
  1. Data are presented as mean ± standard deviation or number and percent. HMD = hydro-mechanical defragmentation; ST = systemic thrombolysis; PE = pulmonary embolism; CTPA = computed tomography pulmonary angiography; yr. = years
  2. *Statistically significant difference (p < 0.05); **Highly statistically significant difference (p < 0.01)