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Table 2 Data on dispatch time and patient transport

From: Impact of icing weather conditions on the patients in helicopter emergency medical service: a prospective study from Northern Finland

Characteristic All patients (n = 57) Definitive treatment not delayed (n = 36) Definitive treatment delayed (n = 21) p value
Dispatch time, n (%)     0.14a
 8 a.m. – 8 p.m. 38 (67) 27 (75) 11 (52)  
 8 p.m. – 8 a.m. 19 (33) 9 (25) 10 (48)  
Type of transport, n (%)     0.005b
 Ambulance 23 (40) 20 (56) 3 (14)  
 Ambulance and RRC 27 (47) 13 (36) 14 (67)  
 Ambulance and helicopter 7 (12) 3 (8) 4 (19)  
Code of transport, n (%)     0.10b
 Stroke 14 (25) 13 (36) 1 (5)  
 Motor vehicle accident
  Traffic 4 (7) 2 (6) 2 (10)  
  Off-road 6 (11) 3 (8) 3 (14)  
 Mechanical injury 5 (9) 2 (6) 3 (14)  
 Chest pain 7 (12) 4 (11) 3 (14)  
 Unconsciousness 4 (7) 1 (3) 3 (14)  
 Cardiac arrest 3 (5) 1 (3) 2 (10)  
 Other medical symptoms 9 (16) 6 (17) 3 (14)  
 Transfer to tertiary care 5 (9) 4 (11) 1 (5)  
Priority of transport, n (%)     < 0.001b
 A (highest) 28 (49) 10 (28) 18 (86)  
 B 25 (44) 22 (61) 3 (14)  
 C 4 (7) 4 (11) 0  
 D (lowest) 0    
  1. RRC rapid response car
  2. a Chi-square test, b Fisher exact test