Research Article

Comparison of Treatment Approaches and Subsequent Outcomes within a Pulmonary Embolism Response Team Registry

Table 6

Comparison of secondary outcomes by treatment approach.

Treatment approachSecondary outcome 1: clinical deteriorationOverall (N = 1832)Difference t-test or chi-square, value
No clinical deterioration (N = 1614)Clinical deterioration (N = 218)

Anticoagulation monotherapy1342 (83.1%)98 (45.0%)1440 (78.6%)<0.001
Delayed advanced PE intervention95 (5.9%)18 (8.3%)113 (6.2%)
Immediate advanced PE intervention177 (11.0%)102 (46.8%)279 (15.2%)

Treatment approachSecondary outcome 2: major bleedingOverall (N = 1832)Difference t-test or chi-square, value
No bleeding (N = 1702)Major bleeding (N = 130)

Anticoagulation monotherapy1379 (81.0%)61 (46.9%)1440 (78.6%)<0.001
Delayed advanced PE intervention99 (5.8%)14 (10.8%)113 (6.2%)
Immediate advanced PE intervention224 (13.2%)55 (42.3%)279 (15.2%)

Breakout: advanced PE intervention (regardless of timing) by typeSecondary outcome 2: major bleedingOverall (N = 1832)Difference t-test or chi-square, value
No bleeding (N = 1702)Major bleeding (N = 130)

Systemic thrombolysis121 (7.1%)33 (25.4%)154 (8.4%)<0.001
Catheter-directed treatment127 (7.5%)20 (15.4%)147 (8.0%)0.00366
Surgical embolectomy2 (0.1%)7 (5.4%)9 (0.5%)<0.001
ECMO0 (0%)10 (7.7%)10 (0.5%)<0.001
Other types of advanced intervention3 (0.2%)1 (0.8%)4 (0.2%)0.255

The percentages within each cell were calculated using the N in the column header for that cell. Some patients had more than one type of advanced PE intervention.