Variables | NAC invasion | Test | p-value (Sig.) | |||
Absent (N = 50) | Present (N = 20) | |||||
Distance from mass to nipple |
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|
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| ||
Mean ± SD | 7.24 ± 2.73 | 3.15 ± 2.80 | −5.320• | <0.001 (HS) | ||
Median (Range) | 6 (4.50 - 16) | 2.75 (0 - 12) | ||||
Depth of the mass |
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|
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Superficial | 33 | 66% | 14 | 70% | 0.104‡ | 0.748 (NS) |
Deep | 17 | 34% | 6 | 30% |