Hospital stay > 7 days

RR 95% CI

Parameter

5.74 - 13.19

6.28

Pseudo cholinesterase < 1800 IU/L

1.71 - 6.27

3.28

SpO₂ < 85%

1.74 - 6.59

4.9

GCS ≤ 12

1.40 - 5.38

2.75

Time lag after exposure on admission ≥ 2 h