Table 1.
Characteristics of the patients with inchworm sign.
| Variable | ||
|---|---|---|
| No. of patients | 109 | |
| Age (median) | 71 | |
| Sex | ||
| Male (%) | 90 (82.6) | |
| Female (%) | 19 (17.4) | |
| Histology | ||
| UC (%) | 94 (86.2) | |
| UC with squamous differentiation (%) | 10 (9.2) | |
| UC with glandular differentiation (%) | 5 (4.6) | |
| Pathological grade | ||
| 1 (%) | 4 (3.7) | |
| 2 (%) | 65 (59.6) | |
| 3 (%) | 30 (27.5) | |
| Unknown (%) | 10 (9.2) | |
| pT stage | ||
| Tis (%) | 2 (1.8) | |
| Ta (%) | 48 (44.0) | |
| T1 (%) | 44 (40.4) | |
| T2 (%) | 11 (10.1) | |
| T3 (%) | 2 (1.8) | |
| T4 (%) | 2 (1.8) | |
| Tumor size | ||
| 10–30 mm (%) | 71 (65.1) | |
| 30 mm < (%) | 38 (34.9) | |
| Tumor location | ||
| Anterior wall (%) | 13 (11.9) | |
| Posterior wall (%) | 17 (15.6) | |
| Side wall (%) | 59 (54.1) | |
| Dome (%) | 3 (2.8) | |
| Neck (%) | 17 (15.6) | |
| Papillary | ||
| Yes (%) | 92 (84.4) | |
| No (%) | 17 (15.6) | |
| Multiple tumors | ||
| Yes (%) | 46 (42.2) | |
| No (%) | 63 (57.8) | |
| Hematuria | ||
| Yes (%) | 82 (75.2) | |
| No (%) | 26 (23.9) | |
| Unknown (%) | 1 (0.9) | |
| Cytology | ||
| Negative (%) | 36 (33.0) | |
| Positive (%) | 73 (67.0) |