Table 2:

Health service utilization of patients in the EMRPC with and without atopic dermatitis, 2005–2015

VariablePatients without atopic dermatitis
n = 242 172		Patients with atopic dermatitis
n = 7812
ED visits per patient per year
 Mean ± SD0.4 ± 0.60.5 ± 0.7
 Median (IQR)0 (0–0)0 (0–1)
Hospitalizations per patient per year
 Mean ± SD0.1 ± 0.20.1 ± 0.2
 Median (IQR)0 (0)0 (0)
Primary care visits per patient per year
 Mean ± SD6.2 ± 5.87.9 ± 6.6
 Median (IQR)5 (3–8)6 (4–10)
Specialist visits per patient per year*
 Mean ± SD0.1 ± 1.70.1 ± 1.1
 Median (IQR)0 (0)0 (0)
Dermatologist visits per patient per year
 Mean ± SD0 ± 00 ± 0.1
 Median (IQR)0 (0)0 (0)

  • Note: ED = emergency department, EMRPC = Electronic Medical Record Primary Care database, IQR = interquartile range, SD = standard deviation.

  • ↵* Includes dermatologist visits.