Table 1 Baseline characteristics of the study population

Age, yr, (IQR)

71 (63–75)

66 (59–75)

Gender, n (%)

Male

79 (73)

63 (63)

Female

29 (27)

37 (37)

WHO 1793, n (%)

G1

17 (16)

–

G2

39 (36)

–

G3

52 (48)

–

WHO 2004/2016, n (%)

LG

45 (42)

–

HG

63 (58)

–

Tumour stage, n (%)

Ta

59 (55)

–

T1

16 (15)

–

Tis

10 (9)

–

≥ T2

23 (21)

–

Primary/recurrence, n (%)

Primary

76 (70)

–

Recurrence

32 (30)

–

Number of tumours, n (%)

Solitary

59 (55)

–

Multiple

49 (45)

–

Tumour size, n (%)

< 3 cm

55 (51)

–

≥ 3 cm

43 (40)

–

Unknown

10 (9)

–

Concomitant CIS, n (%)

No

97 (90)

–

Yes

11 (10)

–

Controls, n (%)

Benign haematuria

–

34 (34)

Other benign urological conditions

–

43 (43)

Healthy controls

–

23 (23)