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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.