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Table 1 Calculation of the 2008 score

From: A clinical in-hospital prognostic score for acute exacerbations of COPD

2008 score Points
Age  
 < 70 years 0
 > = 70 years 1
MRC (baseline, steady state)  
0-1 0
2-3 1
4-5 2
Number of signs of severity* at entry  
0 0
1-2 2
3 and more 3
  1. *signs of severity: cyanosis, use of accessory inspiratory muscles, paradoxical abdominal movement, asterixis, neurological impairment, lower limb edema.
  2. Total score ranges from 0 to 6. Tertiles of the original (2008) population corresponded to scores of 0–1, 2–3 and 4–6, respectively.