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Table 4 Pearson's correlation coefficients between bone marrow irradiation and immune parameters.

From: The evolution of rectal and urinary toxicity and immune response in prostate cancer patients treated with two three-dimensional conformal radiotherapy techniques

Dose
[Gy]
Volume [%] Number of leukocytes Proportion of NK cells
  Median Range Correlation coefficient p Correlation coefficient p
5 44.54 30.31-98 -0.3177 0.140 0,5185 0,019
6 43.92 29.57-98 -0.3161 0.142 0,5197 0,019
7 43.38 28.95-98 -0.3161 0.142 0,5225 0,018
8 42.77 28.42-98 -0.3162 0.142 0,5239 0,018
9 42.31 27.95-97 -0.3170 0.141 0,5236 0,018
10 41.86 27.53-97 -0.3188 0.138 0,5224 0,018
11 41.34 27.12-97 -0.3213 0.135 0,5261 0,018
12 40.74 26.74-96 -0.3256 0.129 0,5196 0,019
13 40.13 26.36-96 -0.3314 0.122 0,516 0,020
14 39.63 26.00-96 -0.3361 0.117 0,5147 0,020
15 39.13 25.66-95 -0.3390 0.114 0,5133 0,021
16 38.66 25.34-95 -0.3402 0.112 0,5124 0,021
17 38.20 25.03-95 -0.3411 0.111 0,5117 0,021
18 37.77 24.72-94 -0.3423 0.110 0,5107 0,021
19 37.19 24.40-94 -0.3446 0.107 0,5096 0,022
20 36.35 24.05-94 -0.3463 0.105 0,5083 0,022
21 35.70 23.70-93 -0.3481 0.104 0,5065 0,023
22 35.20 23.33-93 -0.3496 0.102 0,5036 0,024
23 34.66 22.91-92 -0.3517 0.100 0,4984 0,025
24 34.13 22.37-91 -0.3675 0.084 0,4771 0,033
25 33.53 21.61-83 -0.3713 0.081 0,4579 0,042
44 10.97 4.38-38.66 -0.4619 0.027 0,4270 0,060
45 9.97 4.22-35.05 -0.4645 0.026 0,3986 0,082
46 9.08 4.07-28.04 -0.4827 0.020 0,4153 0,069
47 8.39 3.93-23.31 -0.4769 0.021 0,3906 0,089
48 7.70 3.81-21.61 -0.4731 0.023 0,3935 0,086
49 7.07 3.50-20.48 -0.4701 0.024 0,4023 0,079
50 6.54 3.15-19.58 -0.4710 0.023 0,4130 0,070
51 6.00 2.83-18.84 -0.4751 0.022 0,4178 0,067
52 5.55 2.55-18.16 -0.4747 0.022 0,4187 0,066
53 5.21 2.30-17.50 -0.4709 0.023 0,4201 0,065
54 4.98 1.95-16.82 -0.4655 0.025 0,4208 0,065
  1. The number of leukocytes and NK cell percentages were correlated to dose received and volume of irradiated bone marrow (n = 37)
  2. *Required sample size for the obtained correlation coefficients (for α = 0.05 and power of the test β = 0.80) was calculated 32-34 patients
  3. †Statistically significant results are marked in bold