Table 3.
Complete blood count monitoring, patient characteristics, and outcomes
| Variables | Number of CBCs drawn in the first 48 hours of admission for GI bleed | ||
|---|---|---|---|
| 1–3 (N=409) | 4–6 (N=248) | 7 (N=203) | |
| Age (years) | 62 (16) | 61 (16) | 62 (15) |
| Gender (F) | 173 (42%) | 114 (46%) | 98 (48%) |
| White | 254 (62%) | 132 (53%) | 116 (57%) |
| Black | 135 (33%) | 110 (44%) | 80 (39%) |
| Other | 20 (5%) | 6 (2%) | 7 (4%) |
| CCI score | 2 (2) | 2 (2) | 2 (2) |
| Cirrhosis | 62 (15%) | 35 (14%) | 39 (19%) |
| Antiplatelet therapy | 54 (13%) | 13 (5%) | 13 (6%) |
| Anticoagulation therapy | 46 (11%) | 13 (5%) | 4 (2%) |
| ICU admission | 101 (25%) | 67 (27%) | 81 (40%) |
| Systolic BP (mmHg) | 126 (26) | 117 (28) | 110 (23) |
| Diastolic BP (mmHg) | 69 (19) | 71 (19) | 68 (17) |
| HR | 91 (18) | 94 (20) | 97 (21) |
| Hemoglobin (g/dL) | 9.1 (2.0) | 8.5 (1.7) | 8.3 (1.6) |
| Platelets/μl | 196 (72) | 185 (86) | 170 (86) |
| INR | 1.3 (0.6) | 1.3 (0.5) | 1.4 (0.7) |
| APTT (s) | 34 (13) | 32 (12) | 34 (14) |
| BUN (mg/dL) | 27 (20) | 33 (23) | 36 (27) |
| Hospital LOS (days) | 4.7 (3.3) | 4.6 (2.6) | 5.2 (2.9) |
| RBC transfusion | 225 (55%) | 172 (69%) | 180 (89%) |
| RBC units | 2 (2) | 2 (2) | 3 (2) |
| Death | 31 (8%) | 8 (3%) | 6 (3%) |
| 30-day readmission | 139 (34%) | 89 (36%) | 76 (37%) |
CCI – Charlson Comorbidity Index
ICU – intensive care unit
BP- blood pressure
HR – heart rate
RBC – red blood cell
LOS – length of stay