ACT score

0 - 5

6 - 10

11 - 15

16 - 20

21 - 25

p-value

N (total = 56)

2

19

10

10

15

Age (yr)

49 ± 2

49 ± 14

58 ± 10

58 ± 12

54 ± 8

0.11

Sex, M (%)

50

47

20

60

47

0.99

BMI (kg/m²)

25 ± 0.6

28 ± 6

29 ± 5

28 ± 6

29 ± 7

0.00014

tEFL (%)

50 ± 50

38 (0 - 92.3)

49.5 (0 - 84.8)

28 (0 - 82)

25 (0 - 71)

0.23

FEV1 (% pred)

73 ± 9

75 ± 16

76 ± 11

85 ± 21

77 ± 13

0.26

FVC (% pred)

84 ± 15

95 ± 17

98 ± 15

103 ± 18

96 ± 14

0.16

FEV1/FVC (%)

66 ± 4

60 ± 8

57 ± 6

60 ± 8

60 ± 4

0.79

TLC (% pred)

91 ± 16

113 ± 12

116 ± 19

113 ± 9

115 ± 13

0.46

FRC (% pred)

93 ± 21

121 ± 24

128 ± 27

123 ± 17

125 ± 27

0.55

Slow VC (% pred)

87 ± 13

94 ± 17

95 ± 14

102 ± 22

96 ± 13

0.28

RV (% pred)

92 ± 14

147 ± 36

151 ± 40

133 ± 34

148 ± 34

0.10

FRC/TLC (%)

55 ± 3

58 ± 11

60 ± 8

61 ± 9

57 ± 6

0.22

RV/TLC (%)

34 ± 3

43 ± 12

47 ± 6

41 ± 10

43 ± 7

0.03

IC (% pred)

85 ± 6

105 ± 26

103 ± 23

101 ± 27

108 ± 19

0.082

IC/TLC (%)

45 ± 3

43 ± 11

40 ± 8

39 ± 9

43 ± 6

0.22

DLCO (% pred)

103

103 ± 21

92 ± 17

101 ± 18

99 ± 23

0.10