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. 2016 Mar 14;16:217. doi: 10.1186/s12885-016-2262-9

Table 4.

Distribution of patients according to risk groups

P < 0.0001 HR 1.98 N = 134 OS Median months [95 % CI]
Risk 0 29 13.2 [9.6 – NR]
Risk 1 50 9.9 [6.7 – 11.8]
Risk 2 34 3.5 [2.7– 6.5]
Risk 3 13 2.4 [1.1 – 6.17]
Missinga 8

Patients group Risk 0, 1, 2 or 3: patients having 0, 1, 2 or 3 adverse factor respectively

Prognostic factors: PS ≥ 1, haemoglobin ≤10 g/dl, presence of liver metastasis at baseline

a Patients with at least one missing prognostic factor