Table 2 Univariate analysis by chi-square test or Fisher’s exact test

CKD risk factors

 Smoking

0.7

0.19–2.53

0.59

 Hypertension

2.3

0.79–6.66

0.12

 Dyslipidemia

2.25

0.70–7.20

0.17

 Use of NSAIDs

3.56

1.11–11.39

0.04

 Obesity

0.51

0.10–2.50

0.4

 Diabetes mellitus

0.91

0.17–4.70

0.91

 Hyperuricemia

1.05

0.20–5.57

0.95

 Urinary tract stone

-

0.12

 Age ≥70

0.5

0.06–4.31

0.52

 Cardiac disease

6

1.21–29.87

0.04

 Hematuria

-

0.29

 Cerebrovascular disease

-

0.29

 Autoimmune disease

4

0.52–30.61

0.15

 Proteinuria

-

0.6

 Infectious disease

-

-

 Past history of ARF

-

-

 Pt. with CKD risk

-

0.29

 Pt. without CKD risk

-

0.29

No. of CKD risk factors

 ≤2

1

 3

1.54

0.39–5.96

0.72

 4

1.5

0.34–6.7

0.69

 ≥5

5

0.85–29.39

0.09

Other risk factors

 PS ≥1

0.68

0.23–2.01

0.48

 Alb <3.5 g/dL

0.69

0.24–1.97

0.49

 Female

1.43

0.44–4.69

0.56

Anticancer drugs

 Vinorelbine

1

0.35–3.25

0.9

 Etoposide

2.44

0.70–8.49

0.15

 Docetaxel

0.7

0.14–3.53

0.66

 Pemetrexed

0.33

0.04–2.76

0.29

 Gemcitabine

3.94

0.51–30.14

0.16

 S-1

3.94

0.51–30.14

0.16