Group 1

Group 2

p

Mean ± SD

Median (max, min)

Mean ± SD

Median (max, min)

Age (year)

44 ± 14

45 (73, 21)

54 ± 7

52 (67, 49)

0.11

FEV1 (predicted%)

92.5 ± 20

95 (143, 40)

57 ± 23

51 (93, 36)

0.005

FVC (predicted%)

98 ± 22

101 (146, 38)

77 ± 12

75 (98, 65)

0.018

MMF (predicted%)

72 ± 21.3

70 (116, 41)

37.6 ± 23.6

70 (72, 14)

0.013

DLCO (predicted%)

88 ± 26

83 (151, 21)

71 ± 23

81 (97, 43)

0.23

DLCO/VA (predicted% ratio)

91 ± 20

91 (124, 15)

92 ± 26

92 (118, 50)

0.69

FVC/DLCO (predicted% ratio)

1.2 ± 0.48

1.34 (3.76, 0.69)

1.1 ± 0.38

1.2 (1.67, 0.75)

0.81

6 MWT (meter)

471 ± 105

463 (720, 180)

408 ± 92

432 (512, 288)

0.26

Before6 MWT sat. (%)

96 ± 2

97 (100, 90)

93 ± 2.7

93 (98, 91)

0.02

After 6 MWT sat. (%)

94 ± 5

96 (100, 71)

83 ± 10

82 (97, 70)

0.01

Borg (Before 6 MWT)

0.5 ± 0.8

0 (4, 0)

0.4 ± 0.9

0 (2, 0)

0.52

Borg (After 6 MWT)

1.45 ± 1.7

1 (0, 7)

3.3 ± 3

4 (0, 7)

0.17

Sat. difference (%)

−2 ± 4.2

1 (−24, −1)

−10 ± 8

−12 (−22, −1)

0.007

Borg difference

0.9 ± 1.2

0 (0, 4)

3 ± 3

3 (0.7)

0.059

pH

7.42 ± 14

7.43 (7.53, 7.37)

7.40 ± 0

7.40 (7.44, 7.38)

0.14

PaCO₂ (mmHg)

34 ± 3.3

35 (41, 26)

37 ± 5

39 (42, 28)

0.10

PaO₂ (mmHg)

75 ± 9

78 (89, 55)

67 ± 16

68 (91, 45)

0.09