Table 2.
Summary of histology results (PP population)
| Parameter statistic/value | N (%) |
|---|---|
| Biopsy samples collected (ITT population), N | 941 |
| Histologically evaluated samples (ITT population), N | 929 |
| Samples obtained from suspicious lesions, n | 839 |
| Histological findingsa | |
| Carcinoma | 499 (59.5) |
| Dysplasia | 26 (3.1) |
| Hyperplasia | 29 (3.5) |
| Healthy tissue | 83 (9.9) |
| Inflammation | 202 (24.1) |
| Unknownb | 0 (0.0) |
| Missing | 0 (0.0) |
| Tumour stagingc | |
| Ta | 310 (62.1) |
| T1 | 99 (19.8) |
| T2 | 48 (9.6) |
| T3 | 0 (0.0) |
| T4 | 0 (0.0) |
| CIS | 36 (7.2) |
| Unknown | 6 (1.2) |
| Grading WHO 1973c | |
| G1 | 130 (26.1) |
| G2 | 205 (41.1) |
| G3 | 108 (21.6) |
| Unknown | 23 (4.6) |
| Not selected | 33 (6.6) |
| Grading WHO 2004c | |
| PUNLMP | 5 (1.0) |
| Low grade | 251 (50.3) |
| High grade | 146 (29.3) |
| Unknown | 62 (12.4) |
| Not selected | 35 (7.0) |
CIS carcinoma in situ, PUNLMP papillary urothelial neoplasm of low malignant potential, WHO world health organisation
aPercentages are calculated based on the number of samples obtained from suspicious lesions (n = 839)
bHistology result is either “not selected” or “unknown”
cOnly applicable to carcinoma lesions. Percentages are calculated based on the number of lesions found to be carcinoma (n = 499)