Table I.
Characteristics | No. | ORR | P-value | pCR | P-value |
---|---|---|---|---|---|
No. of patients | 68 | ||||
Median age, years (range) | 45 (35–60) | ||||
Tumor diameter, mm (range) | 45 (25–80) | ||||
Menopausal status | |||||
Premenopausal | 32 | 81% (26/32) | 0.587a | 19% (6/32) | 0.724a |
Postmenopausal | 36 | 86% (31/36) | 22% (8/36) | ||
ECOG performance | |||||
0 | 44 | 86% (38/44) | 0.670b | 23% (10/44) | 0.782b |
1 | 24 | 79% (19/24) | 17% (4/24) | ||
Clinical nodal status | |||||
Negative | 18 | 78% (14/18) | 0.661b | 17% (3/18) | 0.889b |
Positive | 50 | 86% (43/50) | 22% (11/50) | ||
Stage | |||||
II (T≥5 cm) | 30 | 80% (24/30) | 0.668b | 20% (6/30) | 0.915a |
III | 38 | 87% (33/38) | 21% (8/38) | ||
Survivin | |||||
Negative | 18 | 61% (11/18) | 0.0072c | 0% (0/18) | 0.0292a |
Positive | 50 | 92% (46/50) | 28 (14/50) | ||
Ki-67 | |||||
Negative | 16 | 63% (10/16) | 0.0242c | 0% (0/16) | 0.0482a |
Positive | 52 | 90% (47/52) | 27% (14/52) | ||
Estrogen-receptor | |||||
Negative | 31 | 87% (27/31) | 0.502a | 29% (8/31) | 0.330a |
Positive | 37 | 81% (30/37) | 16% (6/37) | ||
No. of cycles | |||||
4 | 39 | 85% (33/39) | 1.0b | 21% (8/39) | 0.986a |
5–6 | 29 | 83% (24/29) | 21% (6/29) | ||
Tumor type | |||||
Invasive ductal | 60 | 87% (52/60) | 0.218b | 25% (13/60) | 0.891b |
Invasive lobular | 8 | 63% (5/8) | 13% (1/8) | ||
Tumor grade | |||||
I/II | 28 | 71% (20/28) | 0.0472c | 11% (3/28) | 0.092a |
III | 40 | 93% (37/40) | 28% (11/40) | ||
PgR | |||||
Negative | 37 | 28% (11/40) | 0.189a | 22% (8/37) | 0.818a |
Positive | 31 | 77% (24/31) | 19% (6/31) | ||
HER2 status | |||||
0 to 1+ | 50 | 88% (44/50) | 0.236b | 24% (12/50) | 0.412b |
2+ to 3+ | 18 | 72% (13/18) | 17% (2/18) |
P, Pearson's Chi-square test,
P, continuity correction test,
P<0.05.
ORR, overall clinical response rate; pCR, pathological complete response; PgR, progesterone receptor. ECOG, Eastern cooperative oncology group; HER2, human epidermal growth factor receptor-2.