Table 1 Clinical characteristics of the study population
Characteristic | No. subjects | |
|---|---|---|
Time point 1 (t1)a | Time point 2 (t2)b | |
Aspirin regular usec | ||
Nonuserd | 14 (45%) | 11 (35%) |
Long-term user (≥ 2 year)e | 17 (55%) | 20 (65%) |
Age | 50–70 (median 55) | 60–80 (median 65) |
BMIf | ||
Normal (18.5–25) | 16 (52%) | 14 (45%) |
High (≥ 26) | 15 (48%) | 17 (55%) |
Polyps | ||
No polyps | 18 (58%) | 23 (74%) |
Yes | 13 (42%) | 8 (26%) |
Proximalg | ||
Tubular adenoma | 3 (23%) | 1 (12.5%) |
Serrated lesionh | 1 (8%) | 0 (0%) |
Hyperplastic | 1 (8%) | 0 (0%) |
Serrated adenoma | 0 (0%) | 0 (0%) |
Mixed | 0 (0%) | 1 (12.5%) TA and SA |
distali | ||
Tubular adenoma | 4 (31%) | 4 (50%) |
Serrated lesion | 5 (38%) | 0 (0%) |
Hyperplastic | 4 (31%) | 0 (0%) |
Serrated adenoma | 1 (7%) | 0 (0%) |
Mixed | 0 (0%) | 1 (12.5%) TA and HP |
Proximal and distal | 0 (0%) | 1 (12.5%) TA |