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J Am Med Inform Assoc 9:16-24 doi:10.1136/jamia.2002.0090016
  • The Practice of Informatics

Key Attributes of a Successful Physician Order Entry System Implementation in a Multi-hospital Environment

Table 3

System Availability and Average Daily Volume of Patient Orders

No. %
Orders entered by physician 5,233 82.03
Orders requiring physician's countersignature: 1,147 17.97
 Traditional unit staff 1,053 16.50
 Physician assistant 24 0.37
 Medical student 63 0.99
Types of order:
 Pharmacy 2,129 33.37
 Laboratory 1,689 26.47
 Nursing 1,441 22.58
 Radiology 243 3.81
 Physician and ancillary consultant 154 2.41

  • Notes: The figures reflect physician order entry use in the Ohio State University Health System (OSUHS) on May 6, 2000. On that day, the total number of orders was 6,380, and the average system availability was 99.7%. Summary figures for hospitals in the system were as follows: James—15 admissions, 14 order sets; University and Dodd—93 admissions, 60 order sets; OSUHS (total)—108 admissions, 74 order sets.

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