Table 4.

Unadjusted and Adjusted Readmission Rates by % of Patients with Electronic Laboratory Orders

Condition	% of Inpatients with Electronic Laboratory Orders	Unadjusted Readmission Rate (%)	PValue (Relative to Reference)	Adjusted Readmission Rate (%)	PValue (Relative to Reference)
AMI	0%	19.9	Ref	19.7	Ref
	1–25%	19.7	0.29	19.9	0.44
	26–50%	19.7	0.30	19.6	0.83
	51–90%	19.9	0.88	19.9	0.44
	91–100%	20.0	0.29	20.0	0.14
Heart Failure	0%	24.4	Ref	24.3	Ref
	1–25%	24.3	0.35	24.4	0.62
	26–50%	24.0	0.15	23.9	0.86
	51–90%	24.5	0.86	24.5	0.86
	91–100%	24.6	0.14	24.6	0.41
Pneumonia	0%	18.1	Ref	18.1	Ref
	1–25%	18.1	0.70	18.2	0.60
	26–50%	18.2	0.68	18.1	0.60
	51–90%	18.1	0.88	18.1	0.88
	91–100%	18.3	0.13	18.2	0.16