Research Article
Association between Severity of Anemia and 30-Day Readmission Rate: Archival Data of 847 Patients with Acute Decompensated Heart Failure
Table 1
Descriptive statistics of study population overall, by readmitted and not readmitted groups.
| | Variable | Overall | Readmitted
14 days | Not readmitted
14 days | Test | Significance |
| | Age (years) | | | | | 0.122 | | Ethnicity (% Hispanic) | 59.9% | 54.8% | 60.6% | | 0.257 | | % males | 47.2% | 47.6% | 47.2% | | 0.931 | | DRG | | | | | | | 291 | 28.6% | 29.5% | 28.4% | | 0.796 | | 292 | 50.8% | 52.4% | 50.5% | | 293 | 20.7% | 18.1% | 21.0% | | Length of stay (days) | | | | | 0.300 | | Creatinine values (mg/dL) | | | | | 0.164 | | Sodium values (mEq/L) | | | | | 0.002 | | Hemoglobin values (g/dL) | | | | | 0.141 | | Hematocrit values (%) | | | | | 0.110 | | Iron values** (μg/dL) | | | | | 0.491 | | TIBC values** (μg/dL) | | | | | 0.010 |
| | Variable | Overall | Readmitted
30 days | Not readmitted
30 days |
Test |
Significance |
| | Age (years) | | | | | 0.092 | | Ethnicity (% Hispanic) | 59.9% | 56.3% | 60.9% | | 0.258 | | % males | 47.2% | 46.5% | 47.4% | | 0.820 | | DRG | | | | | | | 291 | 28.6% | 30.8% | 28.0% | | 0.110 | | 292 | 50.8% | 54.1% | 49.9% | | 293 | 20.7% | 15.1% | 22.1% | | Length of stay (days) | | | | | 0.339 | | Creatinine values (mg/dL) | | | | | 0.718 | | Sodium values (mEq/L) | | | | | 0.002 | | Hemoglobin values (g/dL) | | | | | 0.172 | | Hematocrit values (%) | | | | | 0.137 | | Iron values** (g/dL) | | | | | 0.896 | | TIBC values** (g/dL) | | | | | 0.591 |
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Satterthwaite correction for unequal variances.
There were 186 iron values and 185 TIBC values.
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