A model for predicting bacteremia in patients with community-acquired pneumococcal pneumonia: a retrospective observational study

Table 2 Univariate and multivariate analyses showing potential risk factors for bacteremia in community-acquired pneumococcal pneumonia

Variable	Univariate analysis		Multivariate analysis
Variable	OR (95% CI)	p-value	OR (95% CI)	p-value
Age < 65 years	3.00 (1.55–5.83)	0.006^a	3.64 (1.73–7.67)	< 0.001^a
Respiratory rate > 30 breaths·min⁻¹	2.65 (1.39–5.03)	0.003^a
Heart rate > 125 beats·min⁻¹	2.44 (1.12–5.35)	0.03^a
IRVS	6.36 (2.90–13.9)	< 0.001^a	3.99 (1.71–9.33)	0.001^a
Serum albumin < 3.0 mg·dL⁻¹	4.18 (2.21–7.92)	< 0.001^a	3.35 (1.63–6.87)	0.001^a
BUN >30 mg·dL⁻¹	1.87 (0.97–3.57)	0.06
Serum sodium < 130 mEq·L⁻¹	3.10 (1.05–9.13)	0.04^a
P/F ratio < 250	2.57 (1.36–4.85)	0.004^a
Serum CRP > 20 mg·dL⁻¹	4.12 (2.18–7.77)	< 0.001^a	2.39 (1.21–4.75)	0.01^a

^adenotes significant value
Abbreviations: OR odds ratio, CI confidence interval, BUN blood urea nitrogen, P/F ratio PaO₂/FiO₂ ratio, CRP C-reactive protein, IRVS intensive respiratory or vasopressor support

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