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Table 2

Incidence of pneumonia stratified by sex and age between predialysis chronic kidney disease group and non-chronic kidney disease group.

Non-chronic kidney disease
Predialysis chronic kidney disease
Variable N Event Person- years Incidence N Event Person- years Incidence IRR# (95% CI)
All 18807 2113 126622 16.7 18807 2821 114713 24.6 1.47 (1.40, 1.55)
Sex
  Female 7655 748 54399 13.8 7655 1035 48472 21.4 1.55 (1.43, 1.68)
  Male 11152 1365 72223 18.9 11152 1786 66241 27.0 1.43 (1.34, 1.52)
Age group (years)
  20-39 5367 292 43624 6.69 5367 473 41350 11.4 1.71 (1.53, 1.90)
  40-64 6243 569 42385 13.4 6243 794 38994 20.4 1.52 (1.38, 1.66)
  65-84 7197 1252 40613 30.8 7197 1554 34369 45.2 1.47 (1.36, 1.58)

Incidence: per 1, 000 person-years.

#

IRR (incidence rate ratio): predialysis chronic kidney disease vs. non-chronic kidney disease (95% confidence interval)