Conditional logistic regression analysis for IHCA on the NEWS risk classification
| NEWS risk classification compared to low risk | 24–18 hours before IHCA | 18–12 hours before IHCA | 12–6 hours before IHCA | 6–0 hours before IHCA |
|---|---|---|---|---|
| Medium, OR (95% CI, p-value) | 2.47
(1.18–5.17, p=0.016) | 2.33
(1.32–4.11, p=0.003) | 1.59
(0.87–2.92, p=0.131) | 1.63
(0.78–3.42, p=0.195) |
| High, OR (95% CI, p-value) | 3.17
(1.66–6.04, p<0.001) | 3.57
(1.79–7.10, p<0.001) | 3.69
(2.04–6.67, p<0.001) | 4.43
(2.56–7.67, p<0.001) |
| AUC (95% CI, p-value) | 0.58
(0.49–0.67, p=0.087) | 0.61
(0.52–0.69, p=0.018) | 0.59
(0.51–0.67, p=0.041) | 0.64
(0.56–0.72, p=0.002) |
AUC = area under the curve; CI = confidence interval; IHCA = in-hospital cardiac arrest; NEWS = National Early Warning Score; OR = crude odds ratio.