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EJNMMI Research

Table 2 Lung function values of subjects S10 to S13 and P1 to P2

From: Does quantitative lung SPECT detect lung abnormalities earlier than lung function tests? Results of a pilot study

Subject

FEV1 (% pred)

FVC (% pred)

FEV1/FVC (% pred)

TLC (% pred)

RV (%pred)

RV/TLC (%pred)

DLCOc (%pred)

Significant (≥12%) change of FEV1 after bronchodilator

AUC(CV > 20%) [%]

S10

125

119

107

-

-

-

85

No

39

S11

114

114

102

103

96

93

95

No

41

S12

89

91

98

106

128

120

76

No

47

S13

91

94

98

-

-

-

-

-

47

P1

79

107

74

-

-

-

85

Yes

43

P2

40

57

72

132

214

165

38

No

61

  1. Subjects with AUC(CV > 20%) values of more than 37%. Subjects S10 to S13 are listed in order of increasing AUC(CV > 20%) value. FEV1, forced expiratory volume over one second; FVC, forced vital capacity; TLC, total lung capacity; RV, residual volume; DLCOc, single breath dilution carbon monoxide test adjusted for haemoglobin concentration in the blood. Lung function values without bronchodilator use are reported as percentage of predicted reference values (% pred).
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