FEV1/FVC <70 | 27 | 25 | 52 | 56 | 82 | 138 |
FEV1/FVC 70–75 | 33 | 62 | 95 | 46 | 158 | 204 |
FEV1/FVC >75 | 131 | 627 | 758 | 115 | 820 | 935 |
Total | 191 | 714 | 905 | 217 | 1060 | 1277 |
PPV <70 | | 0.52 (0.38 to 0.66) | | 0.41 (0.32 to 0.49) |
PPV 70–75 | | 0.35 (0.25 to 0.44) | | 0.23 (0.17 to 0.28) |
PPV >75 | | 0.17 (0.15 to 0.20) | | 0.12 (0.10 to 0.14) |
| | | | | | |
Table 2B
|
1991 cohort, respiratory symptoms
|
2006 cohort, respiratory symptoms
|
|
Composite outcome
1991
–
2017
,
n
(95% CI)
|
Composite outcome 2006
–
20
17
,
n
(95% CI)
|
| Event | No event | Total | Event | No event | Total |
FEV1/FVC <70 | 14 | 9 | 23 | 30 | 14 | 44 |
FEV1/FVC 70–75 | 19 | 12 | 31 | 18 | 32 | 50 |
FEV1/FVC >75 | 37 | 93 | 130 | 42 | 133 | 175 |
Total | 70 | 114 | 184 | 90 | 179 | 269 |
PPV <70 | | 0.61 (0.41 to 0.81) | | 0.68 (0.54 to 0.82) |
PPV 70–75 | | 0.61 (0.44 to 0.78) | | 0.36 (0.23 to 0.49) |
PPV >75 | | 0.28 (0.21 to 0.36) | | 0.24 (0.18 to 0.30) |
Table 2C
|
1991 cohort, smoking history
|
2006 cohort, smoking history
|
|
Composite outcome
1991
–
2017
, n (95% CI)
|
Composite outcome 2006
–
20
17, n (95% CI)
|
| Event | No event | Total | Event | No event | Total |
FEV1/FVC <70 | 23 | 21 | 44 | 37 | 49 | 86 |
FEV1/FVC 70–75 | 27 | 44 | 71 | 29 | 89 | 118 |
FEV1/FVC >75 | 88 | 371 | 459 | 61 | 331 | 392 |
Total | 138 | 436 | 574 | 127 | 469 | 596 |
PPV <70 | | 0.52 (0.38 to 0.67) | | 0.43 (0.34 to 0.52) |
PPV 70–75 | | 0.38 (0.27 to 0.49) | | 0.25 (0.17 to 0.32) |
PPV >75 | | 0.19 (0.16 to 0.23) | | 0.16 (0.12 to 0.19) |
Table 2D
|
1991 cohort, smoking history and respiratory symptoms
|
2006 cohort, smoking history and respiratory symptoms
|
|
Composite outcome
1991
–
2017, n (95% CI)
|
Composite outcome 2006
–
20
17, n (95% CI)
|
| Event | No event | Total | Event | No event | Total |
FEV1/FVC <70 | 12 | 8 | 20 | 24 | 9 | 33 |
FEV1/FVC 70–75 | 15 | 11 | 26 | 12 | 21 | 33 |
FEV1/FVC >75 | 31 | 60 | 91 | 24 | 61 | 85 |
Total | 58 | 79 | 137 | 60 | 91 | 151 |
PPV <70 | | 0.60 (0.39 to 0.81) | | 0.73 (0.58 to 0.88) |
PPV 70–75 | | 0.58 (0.39 to 0.77) | | 0.36 (0.20 to 0.53) |
PPV >75 | | 0.34 (0.24 to 0.44) | | 0.28 (0.19 to 0.38) |