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Table 1 Characteristics of male active or retired workers with former exposure to aromatic amines

From: Chromosomal alterations in exfoliated urothelial cells from bladder cancer cases and healthy men: a prospective screening study

 

Total

Tumor casesa

Cancer casesb

Tumor-free cases

Study participants

1,595

20

18

1,575

Age in years (median and range)

   

62 (27 – 90)

 End of follow-up

62 (27 – 90)

68 (43 – 80)

69 (43 – 80)

 At diagnosis

 

67 (38 – 78)

67 (38–78)

Smoking status at baseline [N (%)]c

    

 Never

548 (34.4)

5 (25.0)

4 (22.2)

543 (34.5)

 Former

614 (38.5)

12 (60.0)

11 (61.1)

602 (38.4)

 Current

430 (27.0)

3 (15.0)

3 (16.7)

427 (27.1)

  1. aTumor cases included three papillomas; one case developed two bladder tumors during UroScreen.
  2. bThirteen high-grade and five low-grade bladder cancers.
  3. cMissing for three tumor-free participants.