Table 4 Stratified analysis of NSLN metastases
Variables | Number SNM(n = 1) | Number SNM(n > 1) | OR(95%CI) | |||
|---|---|---|---|---|---|---|
total | metastasis | total | metastasis | Crude | Mutually adjusted | |
Age | ||||||
 ≤ 50 | 71 | 19 | 72 | 48 | 5.47 (2.67, 11.23) | 4.13 (1.74, 9.82) |
  > 50 | 84 | 26 | 53 | 33 | 3.68 (1.79, 7.58) | 4.28 (1.82, 10.11) |
BMI | ||||||
  ≤ 25 | 109 | 33 | 88 | 59 | 4.69 (2.56, 8.57) | 4.10 (2.03, 8.31) |
  > 25 | 46 | 12 | 37 | 22 | 4.16 (1.64, 10.53) | 4.51 (1.50, 13.60) |
Tumor size (cm) | ||||||
  ≤ 2 | 65 | 15 | 28 | 17 | 5.15 (1.99, 13.36) | 5.37 (1.77, 16.31) |
  > 2 | 90 | 30 | 97 | 64 | 3.88 (2.11, 7.12) | 3.88 (1.88, 8.02) |
Histological stage | ||||||
 Midddle/low | 126 | 36 | 105 | 71 | 5.22 (2.97, 9.16) | 4.86 (2.54, 9.30) |
 High | 15 | 6 | 10 | 3 | 0.64 (0.12, 3.53) | inf |
Ki-67 | ||||||
 Negative | 113 | 29 | 90 | 59 | 5.51 (3.01, 10.11) | 4.75 (2.37, 9.54) |
 Positive | 41 | 16 | 34 | 22 | 2.86 (1.12, 7.35) | 4.53 (1.27, 16.20) |
HER2 | ||||||
 Negative | 123 | 33 | 92 | 55 | 4.05 (2.28, 7.22) | 3.36 (1.74, 6.51) |
 Positive | 31 | 12 | 32 | 25 | 5.65 (1.87, 17.10) | 11.68 (2.01, 67.82) |
ER | ||||||
 Negative | 27 | 6 | 20 | 15 | 10.50 (2.70, 40.88) | 26.73 (2.16, 331.09) |
 Positive | 128 | 39 | 105 | 66 | 3.86 (2.24, 6.67) | 3.41 (1.81, 6.42) |
PR | ||||||
 Negative | 45 | 11 | 32 | 23 | 7.90 (2.83, 22.07) | 7.37 (1.85, 29.38) |
 Positive | 110 | 34 | 93 | 58 | 3.70 (2.07, 6.63) | 3.32 (1.71, 6.46) |
LVI | ||||||
 Negative | 89 | 14 | 47 | 18 | 3.33 (1.47, 7.55) | 2.81 (1.17, 6.73) |
 Positive | 66 | 31 | 78 | 63 | 4.74 (2.26, 9.96) | 5.07 (2.18, 11.81) |
menopause | ||||||
 No | 81 | 20 | 82 | 54 | 5.88 (2.98, 11.62) | 5.39 (2.44, 11.87) |
 Yes | 74 | 25 | 43 | 27 | 3.31 (1.51, 7.24) | 3.60 (1.33, 9.71) |