Association between Intraoperative Early Warning Score and Mortality and In-Hospital Stay in Lower Gastrointestinal Spontaneous Perforation

Table 3

Multivariate logistic regression analysis of NEWS and MEWS for in-hospital death and the length of hospital stay.

	In-hospital death		Length of hospital stay
	Crude OR (95% CI), value	Adjusted^a OR (95% CI), value	Crude linear regression coefficient (95% CI), value	Adjusted^a linear regression coefficient (95% CI), value
MEWS
Start MEWS	1.03 (0.65–1.64),	1.00 (0.57–1.73),	−0.57 (−7.51–6.37),	−0.19 (−6.91–6.55),
Max MEWS	1.37 (0.91–2.05),	1.14 (0.73–1.78),	1.30 (−5.50–8.11),	−0.69 (−7.45–6.05),
End MEWS	1.20 (0.81–1.77),	1.049 (0.69–1.57),	−0.35 (−7.49–6.78),	−0.78 (−7.72–6.17),
Start-to-end delta MEWS	1.15 (0.79–1.70),	1.042 (0.70–1.55),	0.23 (−6.42–6.89),	−0.73 (−7.45–5.98),
Start-to-1-hour delta MEWS	1.23 (0.80–1.88),	0.989 (0.57–1.69),	3.15 (−3.25–9.56),	1.28 (−5.16–7.72),
Start-to-max delta MEWS	1.44 (0.93–2.24),	1.19 (0.72–1.97),	1.51 (−7.23–10.25),	−1.51 (−10.48–7.47),
NEWS
Start NEWS	1.21 (0.79–1.85),	1.14 (0.71–1.82),	−1.13 (−7.51–5.26),	−1.62 (−7.74–4.49),
Max NEWS	1.60 (1.10–2.32),	1.41 (0.94–2.12),	1.66 (−4.04–7.36),	−0.72 (−6.47–5.04),
End NEWS	1.31 (0.94–1.83),	1.25 (0.87–1.79),	−0.65 (−6.60–5.31),	−1.12 (−6.97–4.73),
Start-to-end delta NEWS	1.16 (0.83–1.63),	1.14 (0.81–1.61),	1.78 (−4.50–8.06),	0.31 (−5.54–6.16),
Start-to-1-hour delta NEWS	1.28 (0.85–1.91),	1.19 (0.76–1.86),	2.03 (−4.40–8.46),	1.52 (−4.78–7.84),
Start-to-max delta NEWS	1.60 (1.07–2.40),	1.49 (0.92–2.42),	1.77 (−5.83–9.37),	0.00 (−7.76–7.77),

^aAdjusted for age, sex, preoperative sepsis-related organ failure assessment score, and Charlson comorbidity index. OR, odds ratio; 95% CI, 95% confidence interval.