Table 2. Predictors of emergent surgical intervention as determined using univariate and multivariate logistic regression analysis.

		Univariate			Multivariate
Variables	Odds ratio	95% CI	p-value	Odds ratio	95% CI	p-value
Age	1.050	1.027–1.075	< 0.001	1.037	1.006–1.069	0.020
HR	1.028	1.006–1.05	0.013	0.990	0.957–1.024	0.548
RT	2.342	1.146–4.784	0.02	1.549	0.577–4.157	0.385
DNI	2.038	1.505–2.76	< 0.001	1.664	1.203–2.301	0.002
CRP	1.09	1.04–1.141	< 0.001	1.022	0.956–1.092	0.530
Neutrophil	1.000	1.000–1.000	0.018	1.000	1.000–1.000	0.072
NLR	1.194	1.097–1.298	< 0.001	1.019	0.926–1.121	0.704

CI: confidence interval, HR: heart rate, RT: abdominal rebound tenderness, DNI: delta neutrophil index, CRP: C-reactive protein, NLR: neutrophil-to-lymphocyte ratio