Table 2 Risk of band keratopathy for the ESRD and control groups.

From: Risk of Band Keratopathy in Patients with End-Stage Renal Disease

Characteristics

ESRD

Controls

IRR(95% CI)

p-value

N

Band keratopathy

PY#

Ratea

N

Band keratopathy

PY#

Ratea

All

94039

230

442629.66

5.20

94039

26

611089.17

0.43

12.21(8.14–18.32)

<0.0001

Age

 <50

18247

96

114632.79

8.37

18247

3

131483.04

0.23

36.70(11.63–115.82)

<0.0001

 50~64

30063

101

150982.85

6.69

30063

9

200383.95

0.45

14.89(7.53–29.45)

<0.0001

 ≥65

45729

33

177014.02

1.86

45729

14

279222.19

0.50

3.72(1.99–6.95)

<0.0001

Gender

 Male

46597

113

213306.10

5.30

46597

8

297582.70

0.27

19.71(9.62–40.37)

<0.0001

 Female

47442

117

229323.57

5.10

47442

18

313506.47

0.57

8.89(5.41–14.60)

<0.0001

Comorbidity

 Sarcoidosis

2

0

9.92

–

2

0

10.07

–

–

 

 Hyperparathyroidism

601

1

3233.97

3.09

6

0

35.41

–

–

 

 Iridocyclitis

185

2

783.56

25.54

103

0

618.34

–

–

 

 Phthisis bulbi

75

2

325.66

61.41

14

0

67.02

 

–

 
  1. Note: The Poisson regression analysis was performed to calculate the incidence rate ratio. Abbreviations: ESRD, end−stage renal disease; IRR, incidence rate ratio; #PY: person-years.
  2. aRate: per 10000 person-years.
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