Table 3—

Prevalence of clinical signs and symptoms at time of enrolment associated with differences in forced expiratory volume in one second (FEV1) % pred

Signs and symptomsAgeOverall
6–12 yrs13–17 yrs≥18 yrs
Subjects n2602165527537010
>10% lower FEV1 % pred
 Daily cough1416 (54.4)1164 (70.3)2374 (86.2)4954 (70.7)
 Daily sputum1184 (45.5)1084 (65.5)2323 (84.4)4591 (65.5)
 Presence of clubbing1075 (41.3)866 (52.3)1650 (59.9)3591 (51.2)
 Crepitations728 (28.0)705 (42.6)1547 (56.2)2980 (42.5)
 Hyperinflation799 (30.7)575 (34.7)843 (30.6)2217 (31.6)
 Wheezing386 (14.8)278 (16.8)683 (24.8)1347 (19.2)
  • Data are presented as n (%)