Comparator groups (expressed as median values with 95th percentile)

EPP in ED (study group)

Local Trust ED (local comparison)

England ED (national comparison)

Waiting time to treatment (minutes)

34.5 (122)

45 (138)a

55 (192)a

Total time in ED

(minutes)

99 (224)

223 (239)a

136 (336)a