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Table 1 Characteristics of the study subjects

From: Increase of nitrosative stress in patients with eosinophilic pneumonia

 

HS

IPF

EP

Number (M/F)

10(4/6)

13(12/1)

13(7/6)

Age (yrs )

60.9 ± 4.5

69.5 ± 1.9

63.2 ± 3.6

Smoking status (never-/ex-/current smoker)

(6/4/0)

(1/12/0)

(8/5/0)

VC (L)

3.20 ± 0.18

2.94 ± 0.23

2.57 ± 0.25

%VC (%)

108 ± 3.6

87.0 ± 5.8*

86.9 ± 7.0*

FEV1.0 (L)

2.54 ± 0.16

2.40 ± 0.16

2.08 ± 0.18

FEV1.0% (%)

80.5 ± 2.6

80.8 ± 1.6

82.4 ± 2.5

TLC (L)

N.D.

4.04 ± 0.32

4.61 ± 0.45

%TLC (%)

N.D

73.7 ± 6.0

96.5 ± 7.1†

FRC (L)

N.D.

2.40 ± 0.14

2.86 ± 0.24

%FRC (%)

N.D

74.9 ± 6.5

97.8 ± 6.9†

RV (L)

N.D.

1.34 ± 0.13

1.90 ± 0.19†

%RV (%)

N.D.

66.4 ± 9.9

115 ± 14†

%DLCO (%)

N.D.

66.7 ± 5.4

91.5 ± 11†

%DLCO/VA (%)

N.D.

73.6 ± 5.4

86.7 ± 6.1

  1. HS = healthy subject; IPF = idiopathic pulmonary fibrosis; EP = eosinophilic pneumonia; VC = vital capacity; %VC = VC % predicted; FEV1.0 = forced expiratory volume in one second; TLC = total lung capacity; %TLC = TLC % predicted; FRC = functional residual capacity; %FRC = FRC % predicted; RV = residual volume; %RV = RV % predicted; %DLCO = diffusion lung carbon monoxide % predicted; %DLCO/VA = DLCO/alveolar volume % predicted; N.D. = not done. *p < 0.05 compared with the values of HS group; †p < 0.05 compared with the values of IPF group.