Table 3 Incidence rate by age gruopand proportional incidence, screening type and time in Round 1 and Round 2
Age and type of screening | Time between screening and diagnostic mammography | |||||
|---|---|---|---|---|---|---|
0-11 months | 12-24 months | |||||
Interval tumors N | Ratio/10000 (95% IC poisson) | Proportional incidence (%) | Interval tumors N | Ratio/10000 (95% IC poisson) | Proportional incidence (%) | |
50-59 init | ||||||
Round 1 | 4 | 1.98 (1.96-2.00) | 14.38 | 13 | 6.43 (6.39-6.46) | 46.69 |
Round 2 | 1 | 1.30 (1.28-1.33) | 9.33 | 3 | 3.91 (3.86-3.95) | 28.07 |
50-59 succ | ||||||
Round 2 | 2 | 1.35 (1.33-1.37) | 9.69 | 7 | 4.73 (4.69-4.76) | 33.96 |
60-69 init | ||||||
Round 1 | 2 | 2.88 (2.84-2.92) | 12.97 | 2 | 2.88 (2.84-2.92) | 12.97 |
Round 2 | 1 | 5.44 (5.34-5.55) | 23.84 | 2 | 10.89 (10.74- 11.03) | 47.72 |
60-69 succ | 0 | 0.00 (0.00-0.00) | 0.00 | 6 | 27.83 | |
Round 2 | 6.35 (0.61-0.65) | |||||