Table 3

Descriptive statistics at date of diagnosis of participants included in the Bladder Cancer Data Base Sweden (BladderBaSe)

Men (n=28 814)Women (n=9844)
N%N%
Year of diagnosis
 1 January 1997 to 31 December 2002861030306231
 1 January 2003 to 31 December 2008940533313832
 1 January 2009 to 31 December 201410 79937364437
Type of bladder cancer
 Non-muscle invasive21 33074673468
 Muscle invasive692024289129
 T stage X or missing56422192
Age at diagnosis
 Less than 65 years665323230623
 65–69 years425715127213
 70–74 years511018141214
 75–79 years522718173418
 80–84 years434915160016
 85 years and above321811152015
Marital status
 Married18 11863388839
 Divorced395914159316
 Unmarried2859109049
 Widowed357012338334
 Missing3081761
Education level*
 Low12 94445464147
 Intermediate10 11835328633
 High483317146715
 Missing91934505
Charlson Comorbidity Index prior to diagnosis†
 No comorbidity (0)16 27456641365
 Mild comorbidity (1)503417154916
 Intermediate comorbidity (2)415414106611
 Severe comorbidity (3 or more)3352128168
  • *Educational level categorised as low (≤9 years of school), intermediate (10–12 years) and high (≥13 years), corresponding to mandatory school, high school and college or university.

  • †Charlson Comorbidity Index is calculated during a 10-year period prior to diagnosis. Comorbidity scores for metastatic cancer are not included in the Charlson Comorbidity Index for participants with metastatic bladder cancer at date of diagnosis.