Table 2. Demographic details of the included studies.
| Study | Number of all cancers | Length of follow-up time | Mean follow-up time (years) | Patient-years (years) | Mean age at transplantation (years) | Mean age at diagnosis of malignancy (years) | Number of expected cases of bladder cancer | Number of observed cases of bladder cancers | Mean time to development of bladder cancer (months) |
|---|---|---|---|---|---|---|---|---|---|
|
Birkeland et al, 2000 |
209 |
NR–1995 |
7.5 |
13 734 |
38.9 |
|
3.06 |
5 |
|
|
Cheung et al, 2012 |
299 |
1972–2011 |
8.2 |
40 246 |
43.7 |
53.1 |
1.46 |
12 |
57.6 |
|
Collett et al, 2010 |
4422 |
1980–2007 |
|
|
|
|
31.90 |
76 |
|
|
Hoshida et al, 1997 |
46 |
1970–1995 |
7.4 |
12 982 |
|
40.0 |
0.30 |
2 |
63.0 |
|
Krynitz et al, 2013 |
2774 |
1970–2008 |
9.7 |
77 288 |
|
|
21.00 |
42 |
|
|
Kyllonen et al, 2000 |
230 |
1964–1997 |
7.2 |
20 817 |
41.5 |
47.2 |
2.47 |
8 |
|
|
Li et al, 2012 |
320 |
1997–2008 |
4.8 |
22 556 |
44.1 |
|
1.68 |
72 |
|
|
Piselli et al, 2013 |
395 |
1997–2009 |
5.5 |
39 598 |
|
|
18.10 |
20 |
|
|
Vajdic et al, 2006 |
1236 |
1982–2003 |
8.5 |
|
41.0 |
|
12.61 |
42 |
105.6 |
|
Vegso et al, 2007 |
193 |
1973–2007 |
9.8 |
|
53.1 |
|
3.80 |
3 |
|
|
Villeneuve et al, 2007 |
778 |
1981–1998 |
7.3 |
81 237 |
|
|
12.10 |
24 |
|
| Total | 10902 | 7.6 | 308 458 | 43.7 | 46.8 | 108.48 | 306 | 75.4 |