Table 1.

Patient demographics of the development and validation cohorts

Variables	Development cohort (n = 3539)	Validation cohort (n = 656)
Age (median, IQR) [range]	68 (57, 76) [23–96]a	57 (47, 68) [18–89]b
Haematuria, n (%):
Visible	2296 (64.9)	322 (49.1)
Nonvisible	1243 (35.1)	334 (50.9)
Gender, n (%):
Male	2098 (59.3)	504 (76.8)
Female	1441 (40.7)	152 (23.2)
Ethnicity, n (%):
White	2977 (93.8)
Non‐White	196 (6.2)
Smoking history, n (%):
Nonsmoker	1519 (44.6)	212 (32.3)
Ex‐smoker	1387 (40.7)	154 (23.5)
Current smoker	500 (14.7)	290 (44.2)
Occupational risk factor, n (%)
Yes	529 (16.2)
No	2743 (83.8)

^aAge range for discovery cohort: visible haematuria [23–96 years], nonvisible haematuria [23–90 years]. ^bAge range for the validation cohort: visible haematuria [18–98 years], nonvisible haematuria [25–88 years].