Table 3 Annual decline rate in FEV₁% pred/yr for female and male current smokers stratified by the daily amount of cigarette consumption

Viegi et al,²² 2001

32

NA

NA

NA

0.08

0.12

-0.04

0.22

0.15

0.07

James et al,¹⁵ 2005

42

0.87

0.91

-0.04

0.97

1.12

-0.15

1.13

1.26

-0.13

Xu et al,¹⁸ 1992

49

1.08

0.98

0.10

1.16

0.97

0.19

1.51

1.44

0.07

Vestbo et al,¹ 1996

53

1.00

0.83

0.17

1.23

0.98

0.25

1.32

1.22

0.10

Total

--

0.99

0.91

0.08

1.10

0.95

0.15

1.35

1.23

0.12