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Table 1 Crude and standardized incidence rates of CAP in the different cancer and comparator cohorts

From: Burden of community-acquired pneumonia, predisposing factors and health-care related costs in patients with cancer

  n cohort n CAP cases PY IR per 100,000 PY Lower 95% CI Upper 95% CI
Lung cancer
 Crude IR 11,837 1945 13,444 14,467.4 13,831.5 15,125.0
 Standardized IRa   1,256,235 13,188,819 9525.0 9508.4 9541.7
Hematological malignancies
 Crude IR 15,317 1002 33,662 2976.7 2795.2 3166.8
 Standardized IRa   255,193 13,188,819 1934.9 1927.4 1942.4
Cancer of the gastro-intestinal tract
 Crude IR 27,423 926 58,752 1576.1 1476.2 1681.0
 Standardized IRa   108,308 13,188,819 821.2 816.3 826.1
Renal cancer & cancer of the urinary tract
 Crude IR 13,197 532 29,431 1807.6 1657.3 1968.0
 Standardized IRa   112,611 13,188,819 853.8 848.9 858.8
Control cohort (overall)
 Crude IR 3,192,611 59,581 13,188,819 451.8 448.1 455.4
Breast cancer
 Crude IR 22,450 534 57,359 931.0 853.7 1013.4
 Standardized IRa   45,855 6,647,290 689.8 683.5 696.2
Control cohort (breast cancer)
 Crude IR 1,604,248 27,154 6,647,290 408.5 403.7 413.4
  1. aAccording to the age and sex distribution of the person time in the comparator cohort, CAP Community-acquired pneumonia, CI Confidence interval, IR Incidence rate, PY Person year