Table 2 Analysis of the sensitivity and specificity in first responder guidance by the emergency medical coordination centre of relevant first aid measures in 311 trauma cases (Each patient could have guidance given or indication for more than one first-aid measure)
First-aid measure | EMS assessment | EMCC guidance given | EMCC guidance not given | EMCC sensitivity & specificity (95% CI) |
|---|---|---|---|---|
Free airway | ||||
Indicated (26) | 16 | 10 | 62% (41–79) | |
Not indicated (285) | 10 | 275 | 96% (93–99) | |
CPR | ||||
Indicated (6) | 5 | 1 | 83% (36–99) | |
Not indicated (305) | 4 | 301 | 99% (96–99) | |
Recovery position | ||||
Indicated (23) | 7 | 16 | 30% (14–53) | |
Not indicated (288) | 9 | 279 | 97% (94–98) | |
Hypothermia prevention | ||||
Indicated (179) | 54 | 125 | 30% (24–38) | |
Not indicated (132) | 6 | 126 | 95% (90–98) | |
Total | ||||
Indicated (234) | 82 | 152 | 35% (29–42) | |
Not indicated (1010) | 29 | 981 | 97% (96–98) | |