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Table 2 Subjects’ gender, age, FEV 1 , FEV 1 /VC and AUC(CV T )

From: Quantitative lung SPECT applied on simulated early COPD and humans with advanced COPD

Subject Label Gender Age (years) FEV 1(% predicted) FEV 1/VC AUC(CV T) (%)
Healthy volunteers H1 F 51 132 0.85 52
H2 F 68 98 0.77 75
H3 M 75 122 0.73 57
H4 M 69 89 0.69 72
H5 M 50 111 0.83 71
Patients P1 M 81 43 0.33 99
P2 M 84 30 0.25 100
P3 F 71 22 0.21 100
P4 F 73 51 0.43 100
P5 F 52 28 0.30 100
  1. FEV 1 , forced expiratory volume in one second (% predicted; predicted normal values according to Hedenstrom [26, 27]), obstruction was defined as FEV 1 /VC < 0.7 for ages <65 years and <0.65 for ages ≥65 years according to the Swedish guidelines for COPD [28], AUC(CV T c, area under the curve defined by the CVT value (for details see ‘Methods’).