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Table 1 Distribution of observed and expected numbers of incident cases of bladder cancer, Utah, 1973-2004

From: Spatio-temporal patterns of bladder cancer incidence in Utah (1973-2004) and their association with the presence of toxic release inventory sites

Period

Min

1st Quartile

Median

Mean

3rd Quartile

Max

 

Observed numbers of incident cases of bladder cancer

1973-1976

0.00

0.00

0.00

0.89

1.00

8.00

1977-1980

0.00

0.00

1.00

1.11

2.00

9.00

1981-1984

0.00

0.00

1.00

1.13

2.00

8.00

1985-1988

0.00

0.00

1.00

1.24

2.00

14.00

1989-1992

0.00

0.00

1.00

1.35

2.00

11.00

1993-1996

0.00

0.00

1.00

1.79

3.00

10.00

1997-2000

0.00

1.00

2.00

2.16

3.00

15.00

2001-2004

0.00

1.00

2.00

2.19

3.00

12.00

Average

0.0

0.3

1.1

1.5

2.3

10.9

 

Expected numbers of incident cases of bladder cancer

1973-1976

0.00

0.30

0.66

0.92

1.32

4.65

1977-1980

0.00

0.40

0.80

1.04

1.47

4.66

1981-1984

1.19 × 10-5

0.49

0.93

1.18

1.72

4.65

1985-1988

7.14 × 10-5

0.58

1.13

1.35

1.90

5.22

1989-1992

1.07 × 10-4

0.70

1.32

1.54

2.16

5.89

1993-1996

8.09 × 10-6

0.90

1.57

1.75

2.36

6.28

1997-2000

0.00

1.11

1.73

1.98

2.58

6.89

2001-2004

3.50 × 10-5

1.26

1.93

2.20

2.87

8.55

Average

0.0

0.7

1.3

1.5

2.0

5.8