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. 2021 Mar 3;13(6):8290–8305. doi: 10.18632/aging.202637

Table 2. Comparison of organ metastasis patterns stratified by age patients with metastatic renal cell carcinoma.

Parameter ≤ 67 years Percentage 68-80 years Percentage > 80 years Percentage P-value
n=5620 100.0% n=2808 100.0% n=1153 100.0%
Lung metastasis only 1923 34.2% 943 33.6% 379 32.9% 0.631
bone metastasis only 1278 22.7% 398 14.2% 79 6.9% <0.001
Brain metastasis only 152 2.7% 72 2.6% 18 1.6% 0.078
Liver metastasis only 384 6.8% 168 6.0% 53 4.6% 0.012
Lung and brain 171 3.0% 121 4.3% 86 7.5% <0.001
Lung and bone 644 11.5% 449 16.0% 190 16.5% <0.001
Bone and brain 85 1.5% 12 0.4% 4 0.3% <0.001
Bone and liver 176 3.1% 59 2.1% 20 1.7% 0.002
Lung and liver 333 5.9% 260 9.3% 169 14.7% <0.001
Brain and liver 7 0.1% 13 0.5% 4 0.3% 0.011
Lung, bone and brain 110 2.0% 88 3.1% 40 3.5% <0.001
Lung, bone and liver 250 4.4% 157 5.6% 87 7.5% <0.001
Lung, brain and liver 42 0.7% 26 0.9% 24 2.1% <0.001
Bone, brain, and liver 10 0.2% 0 0.0% 0 0.0% 0.029
Lung, bone, brain, and liver 55 1.0% 42 1.5% 0 0.0% <0.001