Total screenees imaged by CTC, subsequent abnormalities found at CTC, and ultimate detection rates for cancer, large polyp (10 mm+), medium-sized polyp (6–9 mm), any polyp or cancer, any adenoma or cancer and advanced neoplasia, each split by sex and individual's screening round
| First round | Second round | Third round | Total | |
|---|---|---|---|---|
| Total imaged by CTC | ||||
| Men | 828 | 595 | 82 | 1505 |
| Women | 658 | 499 | 69 | 1226 |
| Total | 1486 | 1094 | 151 | 2731 |
| Number (%) with polyp or cancer suspected on CTC | ||||
| Men | 373 (45.0) | 235 (39.5) | 24 (29.3) | 632 (42.0) |
| Women | 231 (35.1) | 148 (29.7) | 16 (23.2) | 395 (32.2) |
| Total | 604 (40.6) | 383 (35.0) | 40 (26.5) | 1027 (37.6) |
| Number (%) with proven cancer | ||||
| Men | 55 (6.6) | 32 (5.4) | 2 (2.4) | 89 (5.9) |
| Women | 21 (3.2) | 14 (2.8) | 0 (0.0) | 35 (2.9) |
| Total | 76 (5.1) | 46 (4.2) | 2 (1.3) | 124 (4.5) |
| Number (%) with matched 10 mm+ polyp | ||||
| Men | 142 (17.1) | 79 (13.3) | 6 (7.3) | 227 (15.1) |
| Women | 78 (11.9) | 31 (6.2) | 4 (5.8) | 113 (9.2) |
| Total | 220 (14.8) | 110 (10.1) | 10 (6.6) | 340 (12.4) |
| Number (%) with matched 6–9 mm polyp | ||||
| Men | 36 (4.3) | 31 (5.2) | 4 (4.9) | 71 (4.7) |
| Women | 24 (3.6) | 21 (4.2) | 3 (4.3) | 48 (3.9) |
| Total | 60 (4.0) | 52 (4.8) | 7 (4.6) | 119 (4.4) |
| Number (%) with any matched polyp or cancer | ||||
| Men | 263 (31.8) | 159 (26.7) | 14 (17.1) | 436 (29.0) |
| Women | 142 (21.6) | 72 (14.4) | 7 (10.1) | 221 (18.0) |
| Total | 405 (27.3) | 231 (21.1) | 21 (13.9) | 657 (24.1) |
| Number (%) with any matched adenoma or cancer | ||||
| Men | 237 (28.6) | 144 (24.2) | 14 (17.1) | 395 (26.2) |
| Women | 126 (19.1) | 64 (12.8) | 7 (10.1) | 197 (16.1) |
| Total | 363 (24.4) | 208 (19.0) | 21 (13.9) | 592 (21.7) |
| Number (%) with advanced neoplasia | ||||
| Men | 209 (25.2) | 119 (20.0) | 12 (14.6) | 340 (22.6) |
| Women | 106 (16.1) | 50 (10.0) | 8 (11.6) | 164 (13.4) |
| Total | 315 (21.2) | 169 (15.4) | 20 (13.2) | 504 (18.5) |
To calculate percentages for each cell of the table, the total number of screenees of the corresponding gender and screening round was used as the denominator.
CTC, CT colonography.