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Table 3 Hsp70 serum levels (ng/ml) in relation to tumor size, TNM stages and grading of the previously resected tumors (mean ± standard deviation)

From: Increased heat shock protein 70 (Hsp70) serum levels and low NK cell counts after radiotherapy – potential markers for predicting breast cancer recurrence?

  N Before RT After 30 Gy End of RT 6 weeks after RT 6 months after RT 1 year after RT
Tumor size (cm)
 <  1 12 2.62 ± 1.35 2.55 ± 1.69 2.11 ± 0.50 2.18 ± 0.78 2.71 ± 1.26 2.94 ± 1.26
 1–2 20 2.26 ± 0.55 2.00 ± 0.60 2.04 ± 0.49 2.26 ± 0.75 2.17 ± 0.76 2.16 ± 0.58
 >  2 3 2.56 ± 1.51 2.02 ± 0.96 1.80 ± 0.84 2.13 ± 0.88 1.79 ± 0.65 1.65 ± 0.80
 p   0.990 0.833 0.809 0.976 0.379 0.132
Kruskal-Wallis-test
 pTNM
  T1 (a-c) 30 2.40 ± 0.95 2.19 ± 1.15 2.07 ± 0.49 2.19 ± 0.75 2.33 ± 0.97 2.50 ± 0.99
  T2 5 2.43 ± 1.15 2.18 ± 1.01 1.85 ± 0.66 2.37 ± 0.78 2.29 ± 1.14 1.74 ± 0.68
  p-value   1.00 0.982 0.536 0.671 0.962 0.162
 Mann-Whitney-U-test
  N0 30 2.36 ± 0.98 2.17 ± 1.18 2.02 ± 0.50 2.18 ± 0.73 2.39 ± 1.05 2.32 ± 0.98
  N1 5 2.70 ± 0.84 2.32 ± 0.73 2.16 ± 0.63 2.42 ± 0.94 2.00 ± 0.13 3.23
  p   0.369 0.395 0.732 0.671 0.539 0.261
Mann-Whitney-U-test
 Grading
  G1 7 2.57 ± 1.52 2.13 ± 0.76 2.11 ± 0.67 2.22 ± 1.06 2.14 ± 0.49 2.56 ± 0.70
  G2 26 2.38 ± 0.83 2.24 ± 1.26 2.02 ± 0.50 2.17 ± 0.70 2.35 ± 1.12 2.07 ± 0.66
  G3 2 2.48 ± 0.72 1.96 ± 0.71 2.10 ± 0.03 2.39 ± 0.12 2.19 ± 0.33 2.91
  p   0.849 0.985 0.993 0.781 0.776 0.239
Kruskal-Wallis-test