Table 2.

Four categories of emergency department Characteristics

1. ED Location

a. Hospital-based

b. Freestanding (non-hospital-based)

i. Satellite

ii. Autonomous

iii. Primary-care-based

2. ED Layout

a. Contiguous

i. With triage to service

ii. Without triage to service

b. Non-contiguous

3. Time period open to patients

a. Full-time

b. Part-time

c. Seasonal

d. Alternating

4. Patient type served

a. General population

i. Combined

ii. Separate

b. Adult

c. Pediatric

Abbreviation: ED, emergency department