Characteristics | ELISA | PLA | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
MMP-9:TIMP-1 | MMP-1:TIMP-1 | ||||||||||
N | Q1(%) | Q2 | Q3 | Q4 | P(χw2 test) | Q1(%) | Q2 | Q3 | Q4 | P(χw2 test) | |
Age | 0.12 | 0.27 | |||||||||
<50 years | 107 | 30 | 16 | 25 | 21 | 26 | 27 | 24 | 16 | ||
50-69 years | 257 | 50 | 62 | 48 | 60 | 57 | 49 | 56 | 59 | ||
≥70 years | 101 | 20 | 22 | 27 | 19 | 17 | 24 | 20 | 26 | ||
Menopausal status | 0.03 | 0.03 | |||||||||
Premenopausal | 142 | 40 | 22 | 31 | 28 | 36 | 35 | 31 | 20 | ||
Postmenopausal | 323 | 60 | 78 | 69 | 72 | 64 | 65 | 69 | 80 | ||
Tumor size | 0.96 | 0.87 | |||||||||
0-20 mm | 302 | 66 | 66 | 64 | 64 | 63 | 67 | 63 | 66 | ||
>20 mm | 163 | 34 | 34 | 36 | 36 | 37 | 33 | 37 | 34 | ||
Malignancy grade* | 0.06 | 0.65 | |||||||||
Grade 1 | 196 | 42 | 57 | 41 | 42 | 40 | 49 | 46 | 45 | ||
Grade 2-3** | 239 | 58 | 43 | 59 | 58 | 60 | 51 | 54 | 55 | ||
Unknown | 7 | ||||||||||
Lymph node status | 0.73 | 0.44 | |||||||||
Positive | 220 | 44 | 47 | 48 | 51 | 42 | 46 | 51 | 51 | ||
Negative | 245 | 56 | 53 | 52 | 49 | 58 | 54 | 49 | 49 | ||
Hormone receptor status | 0.50 | .084 | |||||||||
(ER and/or PR) | 84 | ||||||||||
Positive | 378 | 79 | 86 | 83 | 80 | 82 | 16 | 84 | 80 | ||
Negative | 82 | 21 | 14 | 17 | 20 | 18 | 16 | 20 | |||
Unknown | 5 |