Table 2 Univariate analysis for patients with thyroid volume of at least 8 cc
Variable | Euthyroid | Hypothyroid | p-Value |
|---|---|---|---|
(n = 47) | (n = 60) | ||
Gender | 0.222 | ||
F | 3 | 9 | |
M | 44 | 51 | |
Age (y), mean; [SD] | 60.3 [8.2] | 57.8 [10.8] | 0.161 |
Weight (lbs), mean; [SD] | 183 [35.7] | 178 [38.4] | 0.461 |
T Stage | 0.201 | ||
1 | 12 | 14 | |
2 | 24 | 22 | |
3 | 8 | 18 | |
4 | 3 | 6 | |
N Stage | 0.771 | ||
0 | 3 | 7 | |
1 | 10 | 7 | |
2 | 30 | 45 | |
3 | 4 | 1 | |
Neck Dissection | 0.292 | ||
No | 42 | 48 | |
Yes | 5 | 12 | |
Chemo | 1.002 | ||
No | 8 | 10 | |
Yes | 39 | 50 | |
Follow-up time (m), mean; [SD] | 52.1 [30.3] | 57.0 [24.9] | 0.231 |
Thyroid volume (cc), mean; [SD] | 15.6 [15.5] | 13.1 [4.6] | 0.491 |
Mean dose (Gy), mean; [SD] | 52.8 [11.7] | 57.8 [7.3] | 0.0481 |
V10 (%), mean; [SD] | 97.4 [12.1] | 99.7 [2.5] | 0.0481 |
V20 (%), mean; [SD] | 94.4 [16.3] | 99.2 [4.3] | 0.0381 |
V30 (%), mean; [SD] | 91.7 [20.2] | 98.2 [7.2] | 0.0151 |
V40 (%), mean; [SD] | 85.6 [24.4] | 94.9 [13.5] | 0.0671 |
V50 (%), mean; [SD] | 70.9 [31.5] | 84.2 [22.2] | 0.0651 |
V60 (%), mean; [SD] | 34.8 [31.3] | 43.7 [28.8] | 0.0751 |
V70 (%), mean; [SD] | 2.86 [4.95] | 7.1 [12.4] | 0.0261 |
VS10 (cc), mean; [SD] | 0.36 [1.53] | 0.05 [0.39] | 0.0481 |
VS20 (cc), mean; [SD] | 0.75 [2.01] | 0.108 [0.638] | 0.0371 |
VS30 (cc), mean; [SD] | 1.09 [2.51] | 0.225 [0.976] | 0.0161 |
VS40 (cc), mean; [SD] | 1.89 [3.12] | 0.683 [1.8] | 0.0571 |
VS50 (cc), mean; [SD] | 4.08 [4.72] | 2.07 [3.03] | 0.0481 |
VS60 (cc), mean; [SD] | 9.83 [9.1] | 7.38 [4.8] | 0.101 |
VS70 (cc), mean; [SD] | 15.2 [15.0] | 12.2 [4.65] | 0.191 |