Advances in Nephrology / 2014 / Article / Tab 1

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.

VariableOverallReadmitted
14 days
Not readmitted
14 days
TestSignificance

Age (years) 0.122
Ethnicity (% Hispanic)59.9%54.8%60.6% 0.257
% males47.2%47.6%47.2% 0.931
DRG
 29128.6%29.5%28.4% 0.796
 29250.8%52.4%50.5%
 29320.7%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

VariableOverallReadmitted
30 days
Not readmitted
30 days
Test Significance

Age (years) 0.092
Ethnicity (% Hispanic)59.9%56.3%60.9% 0.258
% males47.2%46.5%47.4% 0.820
DRG
 29128.6%30.8%28.0% 0.110
 29250.8%54.1%49.9%
 29320.7%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

Satterthwaite correction for unequal variances.
There were 186 iron values and 185 TIBC values.