Table 3 Univariate and multivariate analyses of factors predicting: bacteraemia

Duration of symptoms

1 (1–3)

2 (1–5)

0.003

0.88 (95% CI 0.78–0.98)

Presence of chills

32 (56.1%)

64 (37.6%)

0.014¹

2.12 (95% CI 1.15–3.90)

Heart rate/min

104 (94–118)

97 (87–110)

0.020

1.02 (95% CI 1.00–1.03)

1.09 (95% CI 1.02–1.17)

Fever (>38.5 C)

42 (68.9%)

94 (48.2%)

0.005¹

2.38 (95% CI 1.29–4.37)

White cells (10E9/L)

12.7 (7.6–18.3)

10.6 (6.7–15.2)

0.039

1.05 (95% CI 1.01–1.09)

Segmented neutrophils %

86.4 (80.8–91.1)

80.2 (72.5–85.4)

<0.001

1.05 (95% CI 1.00–1.09)

1.03 (95% CI 1.01–1.05)

Younger WBC %

85 (75.5–90.5)

79.5 (63.3–86)

0.048

1.02 (95% CI 0.99–1.05)

ASAT (U/L)

36.5 (22.3–72.5)

27.5 (20–49)

0.039

1.00 (95% CI 1.00–1.00)

Alkalic phosphatase (U/L)

116 (81–218)

93 (65–152)

0.007

1.00 (95% CI 1.00–1.00)