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Table 4 Risk of congenital anomalies among the offspring of RNs employed in oncology nursing units or a cancer center during pregnancy (method 1), 1996-2000 (N = 22,491)1,2

From: Cancer incidence and adverse pregnancy outcome in registered nurses potentially exposed to antineoplastic drugs

Congenital anomaly category
(ICD9 code)
Employed Cases OR3 CI (95%)
All congenital anomalies (740-759) never 1024 1.00  
  ever 17 1.42 0.86-2.36
Eye (743) never 69 1.00  
  ever 3 3.46 1.08-11.14
Circulatory system (747) none 94 1.00  
  ever 3 2.68 0.84-8.59
Musculoskeletal system never 335 1.00  
(754-756) ever 5 1. 21 0.49-2.96
  1. 1Congenital anomaly types with an incidence of less than 3 cases were excluded.
  2. 2N for ever employed in oncology or cancer center = 190.
  3. 3Adjusted for sex, year of birth, and age of mother.