Tables
- TABLE 1
Characteristics of ambulated and admitted patients
Variable Ambulated (n=136) Admitted (n=51) p-value Age years (mean) 61.3 65.8 0.14 Male gender 65 (47.8) 23 (45.1) 0.87 Pulse rate beats·min−1 82.4 93.1 0.0001 Systolic BP mmHg 137.3 136.2 0.73 Oxygen saturation % 95.9 93.6 0.000005 Use of oxygen 2 (1.5) 19 (37.3) 0.0001 Respiratory rate breaths·min−1 17.8 20.0 0.0001 Temperature °C 36.4 36.6 0.03 Altered mental status 0 (0) 1 (1.8) 0.27 Heart failure 6 (4.4) 7 (13.7) 0.057 Cancer 27 (19.9) 9 (17.6) 0.89 Lung disease 26 (19.1) 13 (25.5) 0.45 PESI score 79.6 92.0 0.014 Intermediate-to-high risk patients 52 (38.2) 29 (56.9) 0.66 Troponin ng·mL−1 0.003 (n=79) 0.087 (n=34) 0.7×10−6 Morning arrival 91 (66.9) 19 (37.3) 0.0005 Re-admission rate 13 (9.6) 2 (3.9) 0.36 All-cause mortality 1 (0.7) 3 (5.9) 0.0625 Data is presented as n or n (%) unless otherwise stated. BP: blood pressure. PESI: Pulmonary Embolism Severity Index.
- TABLE 2
Radiological findings in ambulated and admitted patients
Radiological finding Ambulated Admitted p-value Bilateral# 91/134 (67.9) 38/49 (77.6) 0.28 RV strain¶ 24/129 (18.6) 15/50 (30) 0.15 Saddle embolus¶ 3/129 (2.3) 1/50 (2) 1.0 Sub-segmental¶ 12/128 (9.4) 3/50 (6) 0.67 Incidental finding¶ 8/136 (5.9) 2/50 (4) 1.0 Data is presented as n/n (%). RV: right-ventricular. #: finding based on computed tomography pulmonary angiography (CTPA) or nuclear perfusion scanning; ¶: finding based on CTPA.
- TABLE 3
Comparison of patients with a non-low risk Pulmonary Embolism Severity Index (PESI) score who were ambulated or admitted
Variable Ambulated (n=52) Admitted (n=29) p-value Age years (mean) 74.6 76.2 0.53 Male gender 28 (53.8) 11 (38) 0.63 Pulse rate beats·min−1 84.3 95 0.003 Systolic BP mmHg 136.9 137.4 0.91 Oxygen saturation % 95.3 92.4 0.001 Use of oxygen 2 (3.8) 12 (41.3) 0.0007 Respiratory rate breaths·min−1 18 20.9 0.004 Temperature °C 36.2 36.5 0.069 Altered mental status 0 (0) 1 (3.4) 0.36 Heart failure 5 (9.6) 7 (24.1) 0.15 Cancer 26 (50) 9 (31) 0.11 Lung disease 20 (38.4) 11 (38) 0.85 PESI score 110.8 114.1 0.51 Troponin ng·mL−1 (n=22) 0.01 0.07 0.06 Data is presented as n or n (%), unless otherwise stated. BP: blood pressure.
- TABLE 4
Detailed analysis of patients who died within 30 days of ambulatory assessment unit attendance
Patient Admission status Age years (mean) PESI score Comorbidity Cause of death Time to death days Scan 1 Admitted 70 70 Nil PE 1 No scan 2 Admitted 80 103 Lung Pulmonary fibrosis 21 Bilateral sub-segmental 3 Admitted 83 130 Lung PE 1 Bilateral 4 Ambulated 58 118 Metastatic cancer Sepsis 16 Unilateral PESI: Pulmonary Embolism Severity Index; PE: pulmonary embolism.
- TABLE 5
Comparison of severity factors in surviving patients and patients deceased within 30 days of ambulatory assessment unit attendance with pulmonary embolism (PE)
Variable Surviving (n=183) Deceased (n=4) p-value Age years (mean) 62.3 72.75 0.25 PESI score 82.3 105.2 0.15 Cancer 35 (19.1) 1 (25) 0.58 Heart failure 13 (7.1) 0 (0) 1.0 Lung disease 37 (20) 2 (50) 0.19 Ambulated 135 (74) 1 (25) 0.063 Troponin ng·mL−1 0.027 (n=110) 0.07 (n=3) 0.40 D-dimer ng·mL−1 6120 9261 0.54 Oxygen use 19 (10.4) 2 (50) 0.063 Saddle embolus 4/176 (2.3) 0/3 (0) 1.0 Right-heart strain 39/175 (22.3) 0/3 (0) 1.0 Bilateral PE 127/180 (70.1) 2/3 (66.7) 1.0 Sub-segmental 14/175 (8) 1/3 (33.3) 0.23 Incidental finding 10/183 (5.5) 0/4 (0) 1.0 Data is presented as n, n (%) or n/n (%), unless otherwise stated. PESI: Pulmonary Embolism Severity Index.
