Table 2

Incident SCD and non-fatal CE by quartiles of lung function (n=28 584)

Q1Q2Q3Q4
FEV1 (L)≤2.702.80–3.203.30–3.80≥3.90
 Subjects (n=28 584)7454669175846855
 SCD events n (n per 1000 person-years)518 (2.6)405 (2.0)405 (1.7)281 (1.2)
 Non-fatal CE n (n per 1000 person-years)1093 (5.4)994 (5.0)1089 (4.6)826 (3.6)
FVC (L)≤3.403.50–4.104.20–4.80≥4.90
 Subjects (n=28 584)6950682872837523
 SCD events n (n per 1000 person-years)435 (2.3)414 (2.1)424 (1.9)336 (1.4)
 Non-fatal CE n (n per 1000 person-years)959 (5.0)1017 (5.0)1084 (4.8)942 (3.8)
FEV1/FVC≤0.7300.730–0.7870.788–0.843≥0.844
 Subjects (n=28 584)7155717871307121
 SCD events n (n per 1000 person-years)508 (2.5)397 (1.8)358 (1.6)346 (1.6)
 Non-fatal CE n (n per 1000 person-years)1089 (5.4)1019 (4.6)1020 (4.6)874 (3.9)
  • CE, coronary events; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; Q, quartile; SCD, sudden cardiac death.