Table 4 Multivariate analysis of risk factors associated with cerebral infarction

Age (≦70 vs ≧71)

1.04

0.30–3.53

0.95

Sex (female vs male)

2.37

0.57–9.84

0.23

Smoking history (no vs yes)

2.69

0.50–14.53

0.25

PS (0–1vs 2–3)

2.19

0.23–20.12

0.49

Histology (Ad vs non-Ad)

0.60

0.12–2.85

0.53

Hypertension (no vs yes)

0.78

0.22–2.69

0.69

Diabetes (no vs yes)

1.46

0.33–6.34

0.57

Hyperlipidemia (no vs yes)

0.31

0.37–6.37

0.29

OMI (no vs yes)

0.70

0.08–6.07

0.75

Atrial fibrillation (no vs yes)

1.70

0.18–15.41

0.69

Brain metastasis (no vs yes)

5.24

1.72–16.10

0.004