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Table 4 EMS operations times among suspected stroke patients based on levels of ambulance

From: Prehospital time of suspected stroke patients treated by emergency medical service: a nationwide study in Thailand

Times Overall Levels of ambulance, median (IQR) Holm P value
median (IQR) FR ILS/BLS Advance P value
Dispatch time 1 (1, 1) 1 (1, 1) 1 (1, 1) 1 (1, 1) < 0.001 0.005
Activation time 1 (1, 2) 1 (1, 1) 1 (0, 1) 1 (1, 2) < 0.001 0.010
Response time 9 (5, 14) 6 (4, 10) 8 (5, 13) 11 (7, 17) < 0.001 0.029
Scene time 5 (2, 8) 3 (2, 5) 4 (2, 7) 5 (3, 10) < 0.001 0.024
Transportation time 10 (6, 17) 14 (8, 21) 10 (5, 15) 9 (5, 14) < 0.001 0.019
Total prehospital time 29 (21, 39) 28 (20, 37) 27 (19, 36) 30 (21, 42) < 0.001 0.014
Times Overall Levels of ambulance, n (%) Holm P value
n (%) FR ILS/BLS Advance P value
Dispatch time
 >1 min 4417 (8.3) 768 (4.2) 636 (7.5) 3013 (11.2) < 0.001 0.029
 ≤1 min 49,119 (91.7) 17,453 (95.8) 7866 (92.5) 23,800 (88.8)   
Activation time
 >2 min 6262 (11.7) 1240 (6.8) 595 (7) 4427 (16.5) < 0.001 0.039
 ≤2 min 47,274 (88.3) 16,981 (93.2) 7907 (93) 22,386 (83.5)   
Response time
 >8 min 27,661 (51.7) 5967 (32.7) 3975 (46.8) 17,719 (66.1) < 0.001 0.049
 ≤8 min 25,875 (48.3) 12,254 (67.3) 4527 (53.2) 9094 (33.9)   
Scene time
 >15 min 2682 (5) 378 (2.1) 291 (3.4) 2013 (7.5) < 0.001 0.019
 ≤15 min 50,854 (95) 17,843 (97.9) 8211 (96.6) 24,800 (92.5)   
  1. ALS advanced life support, BLS basic life support, FR first responder, ILS intermediate life support