From: Screening is associated with lower mastectomy rates in eastern Switzerland beyond stage effects
Distribution of patients | Mastectomy rates | |||||
---|---|---|---|---|---|---|
stage | Non-MSP | MSP-detected | stage | Non-MSP | MSP-detected | p-value of difference |
I | 39% | 64% | I | 10% | 6% | 0.068 |
II | 47% | 32% | II | 27% | 15% | 0.004 |
III | 14% | 4% | III | 52% | 41%a | 0.390 |
Total no. | 807 | 404 | total | 24% | 10% | < 0.001 |
p < 0.001 | ||||||
T1 | 50% | 75% | T1 | 12% | 7% | 0.024 |
T2 | 42% | 23% | T2 | 29% | 16% | 0.015 |
T3+ | 7% | 1% | T3+ | 75% | 60%a | 0.470 |
p < 0.001 | ||||||
N0 | 57% | 72% | N0 | 16% | 7% | < 0.001 |
N1 | 33% | 24% | N1 | 32% | 15% | < 0.001 |
N2+ | 10% | 4% | N2+ | 42% | 33%a | 0.519 |
P = 0.004 |