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Table 4 COX proportional hazards analysis with all-cause mortality and hospitalization as the dependent variable

From: Study protocol and baseline characteristics of newly induced dialysis patients: a prospective multi-center cohort study with a biological sample bank, the Ibaraki Dialysis Initiation Cohort (iDIC) study

Independent variable

Hazard ratio

95.0% confidence interval of hazard ratio

P

Lower limit

Upper limit

a. All-cause mortality

 Age

1.07

1.01

1.13

0.02

 Body mass index

0.88

0.77

1.00

0.06

 Hemoglobin

0.87

0.64

1.18

0.36

 Estimated glomerular filtration rate

1.09

0.82

1.45

0.57

 Serum albumin

0.76

0.32

1.79

0.52

 Serum corrected calcium

1.09

0.69

1.73

0.70

 Serum phosphate

1.17

0.87

1.59

0.30

 Intact-parathyroid hormone

1.00

1.00

1.00

0.20

b. All-cause hospitalization

 Age

1.02

0.99

1.04

0.18

 Body mass index

0.99

0.94

1.04

0.68

 Hemoglobin

0.98

0.86

1.11

0.74

 Estimated glomerular filtration rate

0.95

0.81

1.12

0.55

 Serum albumin

0.71

0.47

1.08

0.11

 Serum corrected calcium

1.00

0.78

1.29

0.99

 Serum phosphate

0.90

0.77

1.06

0.20

 Intact-parathyroid hormone

1.00

1.00

1.00

0.23