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Table 1 Characteristics of patients with pre-hospital non-specific complaints (NSCs) and gender- and age-matched controls with specific pre-hospital assessments admitted to Södersjukhuset’s Emergency Department during 2012

From: Non-specific complaints in the ambulance; predisposing structural factors

  Pre-hospital NSC Controls with specific pre-hospital assessment  
  Number (%) Number (%) P-value
Total 493 493  
Sex 287 (58) 287 (58) 1.000
Female    
Age category    1.000
18–29 15 (3) 15 (3)  
30–39 9 (2) 9 (9)  
40–49 13 (3) 13 (3)  
50–59 17 (3) 17 (3)  
60–69 60 (12) 60 (12)  
70–79 91 (18) 91 (18)  
80–89 213 (43) 213 (43)  
≥90 75 (15) 75 (15)  
Day of the week    
Weekday 352 (71) 351 (71) 0.944
Weekend 141 (29) 142 (29)  
Time of the day    <0.001
Day 450 (91) 372 (75)  
Night 43 (9) 121 (24)  
Emergency Medical Communication Centre priority <0.001
Low 182 (37) 86 (17)  
High 311 (63) 407 (83)  
Change in priority    
From low to high 5 (3*) 23 (27*) <0.001
From high to low 106 (33**) 128 (31*) 0.30
Emergency Medical Service priority <0.001
Low 286 (60) 191 (40)  
High 207 (41) 301 (59)  
  1. chi-square test
  2. *Percentage = fraction of the patients dispatched with low priority by EMCC, i.e. 182 NSC and 86 controls
  3. **Percentage = fraction of the patients dispatched with high priority by EMCC, i.e. 311 NSC and 407 controls