Table 1.
Dead as of December 2006 (n = 160) | Alive as of December 2006 (n=864) | |
---|---|---|
Mean (SD) | ||
Age (years) | 59.71 (12.33) | 57.79 (10.97) |
Education (years) | 12.80 (2.50) | 13.60 (2.60)*** |
Body mass index (kg/m2) | 29.66 (6.96) | 28.44 (6.35)* |
Age at menarche (years) | 12.61 (1.66) | 12.56 (1.60) |
Age at first birth (years) | 22.78 (4.82) | 23.98 (4.87)** |
Age at menopause (years) | 47.53 (6.03) | 48.48 (5.34) |
Number of births | 2.59 (1.80) | 2.31 (1.69) |
Number (%) | ||
Race | ||
Caucasian | 139 (86.88) | 799 (92.48)* |
Other | 21 (13.13) | 65 (7.52) |
Menopausal status | ||
Premenopausal | 45 (28.13) | 240 (27.78) |
Postmenopausal | 115 (71.88) | 624 (72.22) |
Family history of breast cancer | ||
No | 117 (81.25) | 629 (79.22) |
Yes | 27 (18.75) | 165 (20.78) |
Estrogen receptor status | ||
Negative | 69 (43.13) | 212 (24.54)*** |
Positive | 81 (50.63) | 602 (69.68) |
Unknown/not done | 10 (6.25) | 50 (5.79) |
Progesterone receptor status | ||
Negative | 78 (48.75) | 277 (32.06)*** |
Positive | 71 (44.38) | 526 (60.88) |
Unknown/not done | 11 (6.88) | 61 (7.06) |
HER2 | ||
Negative | 87 (54.38) | 540 (62.50) |
Positive | 14 (8.75) | 48 (5.56) |
Unknown/not done | 59 (36.88) | 276 (31.94) |
Stage at diagnosis | ||
I | 46 (28.75) | 440 (50.93)*** |
IIA | 25 (15.63) | 187 (21.64) |
IIB | 30 (18.75) | 74 (8.56) |
IIIA | 3 (1.88) | 11 (1.27) |
IIIB | 6 (3.75) | 5 (0.58) |
IV | 21 (13.13) | 15 (1.74) |
Stage not available | 29 (18.13) | 132 (15.28) |
Underlying cause of death | ||
Breast cancer | 95 (59.38) | - |
Other cancer | 11 (6.88) | - |
Cardiovascular diseases | 22 (13.75) | - |
Others | 32 (20.00) | - |
p < 0.05;
p < 0.01;
p < 0.001.