Table 2.

Comparison of inbound metrics for ambulance-transported patients at regional and metropolitan centres

	Regional (N=176)	Metropolitan (N=279)	Overall (N=455)	P value
Symptom onset to call (min)				0.369
Median (Q1, Q3)	29.0 (9.00, 82.5)	35.5 (11.0, 110)	31.0 (9.00, 101)
Missing, n (%)	76 (43.2)	179 (64.2)	255 (56.0)
Dispatch response time (min)				0.889
Median (Q1, Q3)	10.0 (8.00, 15.0)	10.0 (8.00, 15.0)	10.0 (8.00, 15.0)
Missing, n (%)	53 (30.1)	75 (26.9)	128 (28.1)
Extrication time (min)				0.037
Median (Q1, Q3)	21.0 (16.0, 25.0)	18.0 (13.0, 26.0)	19.0 (14.0, 25.8)
Missing, n (%)	55 (31.3)	78 (28.0)	133 (29.2)
Inbound travel time (min)				0.077
Median (Q1, Q3)	16.0 (8.00, 34.0)	19.0 (13.8, 26.0)	19.0 (12.0, 29.0)
Missing, n (%)	55 (31.3)	79 (28.3)	134 (29.5)

P values shown for Kruskal-Wallis test.