Table 1.

Characteristics of Emergency Department (ED) Encounters for Chronic Obstructive Pulmonary Disease Exacerbation, n=1,165

VariableValue
Hospital admission635 (54.5)
Age, years, mean ± SD67 ±13
Male476 (40.9)
White race1,095 (94.0)
Heart rate, bpm, mean ± SDa94 ± 19
Respiratory rate, breaths per min, mean ± SDa22 ± 5
Blood oxygen saturation, %, mean ± SDa93 ± 5
Documented primary care provider1,058 (90.8)
Prior ED encounters for exacerbationb
 0857 (73.6)
 1191 (16.4)
 257 (4.9)
 ≥360 (5.1)
 Mean ± SD0.5 ± 1.4
Weekday arrival860 (73.8)
Clinic or urgent care clinic open784 (67.3)
Secondary diagnosis of depression149 (12.8)
Secondary diagnosis of anxiety149 (12.8)

  • ↵aInitial ED values.

  • ↵bPrior ED encounter within study period at any of the 3 study hospitals.

  • Note: Data are presented as n (%) unless otherwise indicated.