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Table 6 Factors associated with CKD prevalence in the Irish health system 1

From: Prevalence and variation of Chronic Kidney Disease in the Irish health system: initial findings from the National Kidney Disease Surveillance Programme

Variable

Odds ratio

95% CI

P-value

Odds ratio

95% CI

P-value

Adjusted demographics2

Adjusted all factors3

Demographic factors

Age group (years)

18-39

1.00 (referent)

  

1.00 (referent)

  

40-59

5.0

(4.32,5.78)

<.0001

5.14

(4.46,5.92)

<.0001

60-79

50.27

(43.74,57.79)

<.0001

51.17

(44.68,58.59)

<.0001

> = 80

265.74

(230.83,305.88)

<.0001

260.66

(227.26,298.93)

<.0001

Sex

      

Women (vs. men)

1.17

(1.13,1.22)

<.0001

1.21

(1.17,1.26)

<.0001

Location of supervision

General Practice (GP)

1.00 (referent)

  

1.00 (referent)

  

Emergency room vs. GP

1.04

(1.01,1.08)

0.01

0.90

(0.87,0.94)

<.0001

Inpatient location vs. GP

1.17

(1.12,1.23)

< .0001

0.87

(0.83,0.91)

<.0001

Outpatient Department vs. GP

1.64

(1.58,1.72)

< .0001

1.50

(1.44,1.57)

<.0001

Outside facility vs. GP

1.13

(1.06,1.19)

< .0001

1.09

(1.03,1.15)

0.004

Calendar Year

2005

1.00 (referent)

  

1.00 (referent)

  

2006 vs. 2005

0.88

(0.85,0.90)

< .0001

0.87

(0.84,0.89)

<.0001

2007 vs. 2005

0.79

(0.76,0.81)

< .0001

0.79

(0.76,0.81)

<.0001

2008 vs. 2005

0.72

(0.69,0.74)

< .0001

0.71

(0.68,0.73)

<.0001

2009 vs. 2005

0.80

(0.77,0.82)

< .0001

0.78

(0.76,0.81)

<.0001

2010 vs. 2005

0.74

(0.72,0.76)

< .0001

0.73

(0.71,0.76)

<.0001

2011 vs. 2005

0.78

(0.76,0.80)

< .0001

0.77

(0.74,0.79)

<.0001

# Acute Kidney Injury 4 episodes

0

1.00 (referent)

  

1.00 (referent)

  

1 vs. 0

2.36

(2.24,2.48)

< .0001

2.41

(2.29,2.54)

<.0001

2 vs. 0

4.11

(3.71,4.54)

< .0001

4.20

(3.79,4.65)

<.0001

3 vs. 0

7.19

(5.90,8.77)

< .0001

7.39

(6.06,9.02)

<.0001

4 vs. 0

9.44

(6.74,13.1)

< .0001

9.70

(6.94,13.55)

<.0001

5 vs. 0

120.0

(79.7,180.6)

< .0001

102.56

(69.15,152.09)

<.0001

County of Residence

Sligo

1.00 (referent)

  

1.00 (referent)

  

Donegal vs. Sligo

1.05

(1.01,1.10)

0.02

1.07

(1.02,1.11)

0.0035

Leitrim vs. Sligo

1.08

(1.02,1.14)

0.01

1.09

(1.03,1.16)

0.0031

Other counties vs. Sligo

1.03

(0.97,1.09)

0.30

1.07

(1.01,1.13)

0.0244

Primary Hospital 5

Letterkenny vs. Sligo6

1.00

(0.96,1.03)

0.88

   
  1. 1Estimated Glomerular filtration rate (ml/min per 1.73 m2) calculated by the eGFR CKD-EPI formula [21] was used to calculate prevalence.
  2. 2Adjusted for age, sex only.
  3. 3Adjusted for age, sex, provider location, calendar year, county of residence, acute kidney injury.
  4. 4The occurrence of acute kidney injury (AKI) was based on the KDIGO Definition [16].
  5. 5Primary hospital location was not included in the final multivariable model.
  6. 6Letterkenny General Hospital is located in county Donegal, while Sligo General Hospital is the primary hospital for the county of Sligo.
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BMC Nephrology

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