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. 2012 Oct 30;7(10):e48186. doi: 10.1371/journal.pone.0048186

Table 2. Distribution of risk factors classified by risk group.

Low Risk Intermediate Risk High Risk
No. of Patients. 18 23 11
Pain 6 (33.3%) 18 (64.3%) 10 (90.9%)
visceral metastases 3 (16.7%) 4 (17.4%) 8 (72.7%)
Anemia 0 (0.0%) 4 (17.4%) 7 (63.6%)
Bone metastatis progression 2 (5.6%) 20 (87.0%) 11 (100.0%)