. 2001 Sep;45(9):2628–2630. doi: 10.1128/AAC.45.9.2628-2630.2001

TABLE 3.

Multivariate analysis

Variable	RR (95% CI)^a	P
Broad-spectrum cephalosporins	2.3 (1.2–4.3)	0.01
Quinolones	0.4 (0.1–0.9)	0.03
Culture score^b	3.0 (1.5–6.1)	0.002
Liver disease	1.7 (0.9–3.3)	0.10

CI, confidence interval.

See Table 2, footnote c. The score was analyzed as a dichotomous variable.