PHT(n = 146) | Telemetry-facilitated IHT(n = 247) | Self-presenting IHT(n = 182) | p Value* (95% CI) | |
Baseline characteristics | ||||
Male sex | 88 (60%) | 153 (62%) | 115 (63%) | |
Anterior territory infarction | 63 (43%) | 99 (40%) | 69 (38%) | |
Age >75 years | 45 (31%) | 79 (32%) | 53 (29%) | |
Performance indicators | ||||
Symptoms-to-SAS call (min)‡ | 45 (31–85) | 42 (28–75) | NA | 0.067 (0.00 to 10.99) |
SAS response (min)§ | 8 (3.2) | 8 (2.2) | NA | 0.492 (−0.39 to 0.80) |
SAS on-scene (min)§ | 27 (8.6) | 23 (6.4) | NA | <0.001 (2.19 to 5.40) |
SAS travel time to hospital (min)§ | 47 (16.5) | 41 (16.0) | NA | 0.002 (2.01 to 8.70) |
SAS call-to-thrombolysis (min)‡ | 40 (29–51) | 86 (72–126) | NA | <0.001 (−54.00 to −45.00) |
Call-to-thrombolysis ⩽60 min | 130 (89%) | 4 (2%) | NA | |
Hospital door-to-thrombolysis (min)‡ | NA | 18 (9–25) | 30 (21–45) | <0.001 (12.00 to 17.00) |
Door-to-thrombolysis ⩽30 min | NA | 217 (88%) | 126 (69%) | |
Symptoms-to-thrombolysis (min)¶ | 91 (66–131) | 148 (108–234) | 184 (102–349) | <0.001 |
Symptoms-to-hospital arrival (min)¶ | 130 (96–232) | 131 (96–215) | 149 (79–432) | 0.893 |
Emergency PCI within 6 h of thrombolysis | 47 (32%) | 74 (30%) | 51 (28%) |
Data are presented as mean (SD) or median (interquartile range).
IHT, inhospital thrombolysis; PCI, percutaneous coronary intervention; PHT, prehospital thrombolysis; SAS, Scottish Ambulance Service.
*Telemetry-facilitated IHT vs PHT.
†Self-presenting IHT vs telemetry-facilitated IHT.
‡Mann-Whitney test.
§Two-sample t test.
¶Kruskal-Wallis test.
Data are presented as mean (SD) or median (interquartile range).
IHT, inhospital thrombolysis; PCI, percutaneous coronary intervention; PHT, prehospital thrombolysis; SAS, Scottish Ambulance Service.
*Telemetry-facilitated IHT vs PHT.
†Self-presenting IHT vs telemetry-facilitated IHT.
‡Mann-Whitney test.
§Two-sample t test.
¶Kruskal-Wallis test.