Excluded from Analysis | Included in Analysis | ||
---|---|---|---|
Basic Stats | N = 1534 | N = 946 | ANOVA |
Age at NAF visit: | |||
Mean | 43.9 * | 42.6 | |
Median | 42 | 41 | |
Std Err | 0.39 | 0.42 | |
Min-max | 16–89 | 16–87 | |
p = 0.04 | |||
Age at breast cancer diagnosis: | |||
N | 81 ** | 93 | |
Mean | 62.0 | 60.8 | |
Median | 62 | 62 | |
Std Err | 1.5 | 1.27 | |
Min-max | 30–89 | 34–86 | |
p = 0.54 | |||
Breast cancer: | n (%) | n (%) | |
90 (6%) | 93 (10%) | Chi Square | |
p <0.001 | |||
NAF Cytology: | n (%) | n (%) | |
No fluid | 929 (61%) | 714 (75%) | |
Insufficient specimen | 45 (3%) | 19 (2%) | |
Normal | 232 (15%) | 89 (9%) | |
Hyperplasia | 234 (15%) | 97 (10%) | |
Atypia | 81 (5%) | 27 (3%) | |
[Unable to classify] | 13 (1%) | ||
p <0.001 |