Table 3 Rates of the Oakland Score composite outcome as well as individual adverse events at various lower risk thresholds
Oakland Score threshold | </=7 | </=8 | </=9 | </=10 |
|---|---|---|---|---|
n (%) | 728 (8.8) | 1,358 (16.4) | 2,087 (25.2) | 2,743 (33.1) |
Any adverse event (%) | 38 (5.2) | 67 (4.9) | 119 (5.7) | 161 (5.9) |
Mesenteric embolization (%) | 1 (0.1) | 3 (0.2) | 5 (0.2) | 7 (0.3) |
Therapeutic colonoscopy (%) | 11 (1.5) | 24 (1.8) | 37 (1.8) | 48 (1.7) |
Surgery (%) | 1 (0.1) | 1 (< 0.1) | 1 (< 0.1) | 1 (< 0.1) |
RBC transfusion (%) | 16 (2.2) | 27 (2.0) | 56 (2.7) | 80 (2.9) |
Re-bleeding among ED discharged patients | ||||
Repeat ED visit with hematocrit drop (%) | 4 (0.5) | 5 (0.4) | 10 (0.5) | 15 (0.5) |
Hematocrit drop within 7 days based on outpatient laboratory examination (%) | 8 (1.1) | 10 (0.7) | 16 (0.8) | 23 (0.8) |
Re-bleeding among hospitalized patients (%) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 2 (< 0.1) |
28-day hospital readmission for LGIB (%) | 2 (0.3) | 3 (0.2) | 8 (0.4) | 10 (0.4) |
Hospital death (%) | 2 (0.3) | 2 (0.1) | 3 (0.1) | 3 (0.1) |