Table 1 Background of the eligible patients
Group-A (level-III), n =258 | Group-B (level-I), n =256 | Statistics | |
|---|---|---|---|
Age: mean±s.d. | 50.6±10.1 | 51.6±10.6 | NS |
Menopause (or >50 years) | 127 | 131 | NS |
Premenopause (⩽50 years) | 131 | 125 | |
ER | |||
(+) | 161 | 141 | |
(−) | 75 | 95 | |
Unknown | 22 | 20 | |
T-factor | |||
Preoperative evaluation | |||
T1 | 113 | 118 | NS |
T2 | 139 | 130 | |
T3 | 6 | 8 | |
Postsurgical evaluation | |||
Tis | 12 | 7 | NS |
pT1 | 108 | 114 | |
pT2 | 131 | 127 | |
pT3 | 7 | 8 | |
N-factor | |||
Preoperative evaluation (1987 UICC, 4th edition) | |||
N0 (no palpable nodes) | 152 | 149 | NS |
N1a (movable but not considered no growth) | 74 | 66 | |
N1b (movable considered to contain growth) | 32 | 41 | |
Postsurgical evaluation (2002 UICC, 6th edition) | |||
pN0 | 170 | 179 | NS |
pN1 (1–3 positive nodes) | 62 | 49 | |
pN2 (4–9 positive nodes) | 10 | 19 | |
pN3 (10 or more positive nodes) | 16 | 9 | |
Preoperative stage (1987 UICC, 4th edition) | |||
I | 183 | 195 | NS |
II | 54 | 60 | |
III | 21 | 1 | |
Postsurgical stage (2002 UICC, 6th edition) | |||
0 | 12 | 7 | NS |
I | 77 | 92 | |
II | 143 | 128 | |
III | 26 | 29 | |
Surgery | |||
Mastectomy | 96 | 95 | NS |
Breast-conserving surgery | 162 | 161 |
