Table 2 Univariate and multivariate analysis for blood stream infection

Gender (female vs. male)

1.36

0.571–3.266

0.49

-

-

-

Age (≥ 65 vs. < 65)

1.48

0.591–3.681

0.40

-

-

-

 IgG vs. Non-IgG

1.06

0.469–2.410

0.88

-

-

-

 IgA vs. Non-IgA

1.12

0.472–2.646

0.80

Immunoglobulin status

1.18

0.324–4.303

0.80

-

-

-

 Severe Ig deficiency^a vs. Others

 III vs. I/II

3.54

1.365–9.203

<0.01*

2.69

1.003–7.190

0.049

 Score > 2 vs. 0–2

4.39

1.849–10.403

<0.01*

3.58

1.478–8.690

0.005

Hb (< 10 g/dL vs. ≥ 10 g/dL)

3.422

1.240–9.444

0.02*

-

-

-

Ca (> 12 mg/dL vs. < 12 mg/dL)

3.095

1.013–9.454

0.04*

-

-

-

Cr (≥ 2.0 mg/dL vs. < 2.0 mg/dL)

3.091

1.341–7.126

0.01*

-

-

-

ALC (< 1000/cumm vs. ≥ 1000/cumm)

1.251

0.527–2.968

0.61