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Table 2 Crude hazard ratios of UGIB in hemodialysis cohort compared to patients in comparison cohort during the 6-year follow-up period

From: The risk of upper gastrointestinal bleeding in patients treated with hemodialysis: a population-based cohort study

 

HD patients

Comparison patients

 

(n=796)

(n=3184)

No. of UGIB

176

471

Person time (years)

4189.06

17196.73

Incidencea

42.01

27.39

Crude HR (95% CI)

1.50 (1.25-1.80)

1.00

No. of gastric ulcer

68

144

Person time (years)

4189.06

17196.73

Incidencea

16.23

8.37

Crude HR (95% CI)

1.86 (1.37-2.51)

1.00

No. of duodenal ulcer

26

86

Person time (years)

4189.06

17196.73

Incidencea

6.21

5.00

Crude HR (95% CI)

1.21 (0.77-1.90)

1.00

No. of peptic ulcer

50

160

Person time (years)

4189.06

17196.73

Incidencea

11.94

9.30

Crude HR (95% CI)

1.24 (0.89-1.72)

1.00

No. of gastrojejunal ulcer

2

10

Person time (years)

4189.06

17196.73

Incidencea

0.48

0.58

Crude HR (95% CI)

0.94 (0.20-4.44)

1.00

No. of gastritis/duodenitis with bleeding

30

71

Person time (years)

4189.06

17196.73

Incidencea

7.16

4.13

Crude HR (95% CI)

1.74 (1.12-2.70)

1.00

  1. a per 1000 person-years.