Table 1

- Patient characteristics in emergency room (ER) (N=198,050).

VariableTotalImpact of urgent care centers (UCCs)P-value
Before UCC implementationAfter UCC implementation
Patients, n (%)198,050 (100)85,839 (43.3)112,211 (56.7)0.074
Average door-to-doctor time in minutes (mean ± SD)21.9 (27.0)28.4 (37.7)15.4 (3.3)0.245
Average doctor-to-decision time in minutes (mean ± SD)872.82 (634.8)852.4 (189.0)893.3 (897.7)0.880
Average door-to-disposition time in minutes (mean ± SD)967.0 (646.8)972.6 (238.6)961.4 (904.3)0.968
Patients waiting more than 4 hours in ER, n (%)112,409 (100)45,612 (40.5)66,797 (59.5)0.043*
Type of ER urgency
Urgent154,790 (100)67,976 (43.9)86,814 (56.1)<0.001*
Non-urgent43,260 (100)17,863 (41.3)25,397 (58.7)0.534
Type of emergency, n (%)
CTAS 14875 (100)2283 (46.8)2592 (53.2)0.180
CTAS 24482 (100)1912 (42.7)2570 (57.3)0.006*
CTAS 3145433 (100)63781 (43.9)81652 (56.1)<0.001*
CTAS 436363 (100)14321 (39.4)22042 (60.6)0.456
CTAS 56897 (100)3542 (51.4)3355 (48.6)0.918

ER: emergency room, CTAS: Canadian Triage and Acuity Scale, SD: standard deviation