Association between Severity of Anemia and 30-Day Readmission Rate: Archival Data of 847 Patients with Acute Decompensated Heart Failure

Table 2

Percentage of patients with abnormal blood tests in the readmitted and not readmitted groups.

	Readmitted; 14 days	Not readmitted; 14 days	Test	Sig.
Hyponatremia	36.2%	21.9%	𝜒^21df=10.445	0.001
High creatinine	40.0%	37.0%	𝜒^21df=0.348	0.555
Hemoglobin < 10 g/dL	28.6%	22.4%	𝜒^21df=1.940	0.164
	Readmitted; 30 days	Not readmitted; 30 days	Test	Sig.
Hyponatremia	31.3%	21.5%	𝜒^21df=7.788	0.005
High creatinine	37.3%	37.4%	𝜒^21df=0.001	0.975
Hemoglobin < 10 g/dL	27.6%	22.0%	𝜒^21df=2.536	0.111