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Table 6 Results summary 2 – harm classification system 2

From: Application of the emergency medical services trigger tool to measure adverse events in prehospital emergency care: a time series analysis

Harm Classification System 2 – AE Severity Index

Classification 2

No trigger (%)

7 (%)

6 (%)

5 (%)

4 (%)

3 (%)

2 (%)

1 (%)

Total %

C1 - SpO2 < 94% without supplemental oxygen or < 85% without assisted ventilation

556 (99.3)

3 (0.5)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

1 (0.2)

0 (0.0)

4 (0.7)

C2 - Change in systolic blood pressure > 20% from first measurement

521 (93.0)

36 (6.4)

1 (0.2)

2 (0.4)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

39 (7.0)

C3 - Pain score > 4/10 without subsequent reduction

557 (99.5)

3 (0.5)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

3 (0.5)

C4 - Temperature > 38 C without subsequent reduction

554 (98.9)

2 (0.4)

0 (0.0)

3 (0.5)

0 (0.0)

0 (0.0)

1 (0.2)

0 (0.0)

6 (1.1)

C5 - Increase in Early Warning Score > 1 point

514 (91.8)

21 (3.8)

8 (1.4)

5 (0.9)

11 (2.0)

0 (0.0)

1 (0.2)

0 (0.0)

46 (8.2)

M1 - Administration of opioid analgesic and Naloxone in the same patient

560 (100.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

P1 - Inappropriate spinal immobilisation

556 (99.3)

2 (0.4)

2 (0.4)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

4 (0.7)

R1 - Return to same patient within 24 h following refusal of transport

560 (100.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

Total

 

67 (12.0)

11 (2.0)

10 (1.8)

11 (2.0)

0 (0.0)

3 (0.5)

0 (0.0)

102 (18.2)