Table 1 Demographic and clinical characteristics of the 124 subjects having the complete data at baseline and at 5 years. Significant P values for One way ANOVA are reported; ns: P > 0.05

Sex

F

17

20

18

ns

M

23

23

23

Age

Mean (SEM)

27.08 (1.74)

26.09 (1.83)

24.83 (1.71)

ns

SMS^a

Mean (SEM)

291.03 (10.81)

283.58 (14.13)

305.78 (10.89)

ns

MCH

PD20^b

Mean (SEM)

1951.98 (35.07)

1958.33 (35.51)

1988.56 (34.75)

ns

FEV1^c

Mean (SEM)

95 (0.97)

94.44 (1.06)

96.73 (0.81)

ns