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Table 3 Results of spirometric examination: number of subjects with airways obstruction using the fixed value of 0.70 or the LLN

From: Most Italians attending a congress on health of elderly people do not know and do not recognize respiratory diseases

 

FEV1/FVC <0.70

FEV1/FVC < LLN

Tot.

104

85

“False Healthy”a

67

58

Patientsb

37

27

  1. a”False healthy” = Subjects with obstructive defect who thought to be healthy
  2. bPatients = Subjects with obstructive defect aware to be suffering from respiratory disease