Table 1.

Time delays (in minutes) for groups of patients receiving in-hospital and prehospital thrombolysis in the catchment area of Ninewells Hospital in Dundee, Scotland. Median times do not sum arithmetically

	Group 1 (n=107)*	Group 2 (n=43)†	Group 3 (n=28)‡
Response time
Median (mean)	11 (25)	14 (28)	20 (27)
Interquartile range	7-30	8-37	7-41
95% CI	19 to 32	19 to 37	19 to 36
On scene time
Median (mean)	14 (15)	15 (18)	25 (29)
Interquartile range	10-19	11-22	20-37
95% CI	13 to 16	16 to 21	24 to 35
Transfer time
Median (mean)	13 (14)	31 (37)	41 (44)
Interquartile range	8-17	27-38	33-55
95% CI	13 to 16	33 to 41	38 to 50
Door to needle time
Median (mean)	30 (39)	27 (36)	N/A
Interquartile range	20-50	21-50
95% CI	33 to 45	27 to 44
Call to needle time
Median (mean)	80 (86)	125 (122)	52 (51)
Interquartile range	62-110	88-155	39-71
95% CI	78 to 93	104 to 140	41 to 62

^*Urban and suburban patients receiving in-hospital care.

^†Rural patients receiving in-hospital care.

^‡Rural patients receiving prehospital care.