Table 1.

Description and descriptive statistics of NICU EHR data evaluated

	Data Description	Number of NICU Entries/Objects Evaluated
		2011	2012
Medication Orders	Medications ordered by physicians. Extracted data include: medical record number medication order ID medication name ordered dose strength ordered dose frequency medication start date medication end date dosing weight time stamp	38,282	37,439
Medication Order Audit	Audit data describes changes to the medication order made by the physicians, including changes in dose, or frequency and the time stamp of the change	90,874	112,898
Electronic Medication Administration Record	Electronic Medication Administration Record (eMAR) includes: administered dose strength route time of administration for ordered medications	180,595	210,231
Laboratory Results	Laboratory result provides numerical values and units for each laboratory test, and reports the time the specimen was obtained.	333,014	543,092
Nursing Communication Orders	Free-text order for physician to nurse communication defines weaning rates and parameters for fluids and medications	18,694	17,762
Enteral Feeding Orders	Free-text order defines the rate of lipids and PN during rate weaning	15,466	17,697