Table 1

Selected characteristics of bladder cancer cases andcontrols from New Hampshire

Selected Characteristics
Cases
Controls

Total Subjects N (%)
398 (100)
526 (100)
Sex
Women
107 (27)
220 (42)
Men
291 (73)
306 (58)
Racea
White
379 (98)
513 (99)
Other
8 (2)
5 (1)
Age (Years)
≤ 51
57 (14)
106 (20)
52–61
108 (27)
123 (23)
62–67
90 (23)
112 (21)
68–71
89 (22)
103 (20)
>71
54 (14)
82 (16)
Highest Level of Educational Attainmenta
≤ High school
204 (53)
239 (46)
> High school
182 (47)
281 (54)
Cigarette Smokinga
Never
66 (17)
193 (37)
Former
195 (50)
243 (47)
Current
129 (33)
85 (16)
Amount Smoked (cigarettes/day)
≤ 12
41 (13)
90 (31)
12–20
132 (43)
119 (41)
>20
136 (44)
84 (29)
WHO-ISUP classificationb
Carcinoma in situ
18 (6)
-
Papilloma
1 (0)

Papillary neoplasm of low malignant potential
84 (26)
-
Papillary carcinoma, low grade
112 (34)
-
Papillary carcinoma, high grade
74 (23)
-
Other
38 (13)
-
Tumour gradeb,c
Grade 1
145 (47)
-
Grade 2
61 (20)
-
Grade 3
103 (33)
-
Tumour stageb
Superficial
216 (66)
-
Invasive
93 (28)
-
In situ
18 (6)
-

a 8 controls and 11 cases had no race information, 6 controls and 12 cases had no education information, 5 controls and 8 cases had no smoking information

b Restricted to individuals with confirmed cancers on histopathology reviewed (n = 327).

c Grade determinations exclude in situ lesions (n = 18).

Fortuny et al. BMC Urology 2007 7:13   doi:10.1186/1471-2490-7-13