Table 3 Baseline characteristics, performance indicators (20 months) expressed as medians
PHT(n = 146)Telemetry-facilitated IHT(n = 247)Self-presenting IHT(n = 182)p Value* (95% CI)
Baseline characteristics
    Male sex88 (60%)153 (62%)115 (63%)
    Anterior territory infarction63 (43%)99 (40%)69 (38%)
    Age >75 years45 (31%)79 (32%)53 (29%)
Performance indicators
    Symptoms-to-SAS call (min)‡45 (31–85)42 (28–75)NA0.067 (0.00 to 10.99)
    SAS response (min)§8 (3.2)8 (2.2)NA0.492 (−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)NA0.002 (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 min130 (89%)4 (2%)NA
    Hospital door-to-thrombolysis (min)‡NA18 (9–25)30 (21–45)<0.001 (12.00 to 17.00)
    Door-to-thrombolysis ⩽30 minNA217 (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 thrombolysis47 (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.