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Table 4 Identification of low-, intermediate-, high-risk subsets

From: Prognosticators and Risk Grouping in Patients with Lung Metastasis from Nasopharyngeal Carcinoma: A more accurate and appropriate assessment of prognosis

Subset
(total score)
Score No. of patients (%) OS
(95% CI)
Low-risk 0 3 (1.5)  
(score 0-2) 1 10 (5.1)  
  2 31 (15.7)  
  Subtotal 44 (22.2) 90.7 (63.7 to 117.6)
Intermediate-risk 3 45 (22.7)  
(score 3-4) 4 55 (27.8)  
  Subtotal 100 (50.5) 48.2 (36.3 to 60.0)
High-risk 5 36 (18.2)  
(score 5-8) 6 16 (8.1)  
  7 1 (0.5)  
  8 1 (0.5)  
  Subtotal 54 (27.3) 40.2 (35.6 to 44.8)
  1. Abbreviation: OS: overall survival; 95% CI: 95% confidence interval.