Number of deaths, mortality rate and age-adjusted and age-specific mortality rate ratio (MRR)
| Statin user | MRR | ||
| Yes | No | ||
| Sex | |||
| Male | 19 (121) | 160 (228) | 0.58 (0.36–0.94) |
| Female | 12 (98) | 142 (162) | 0.70 (0.38–1.3) |
| Age yrs | |||
| <60 | 1 (17) | 25 (67) | 0.25 (0.01–1.6)# |
| 60–69 | 8 (121) | 35 (97) | 1.3 (0.50–2.7)# |
| 70–79 | 20 (146) | 111 (202) | 0.72 (0.43–1.2)# |
| ≥80 | 2 (105) | 131 (450) | 0.23 (0.03–0.86)# |
| FEV1 % pred | |||
| <30 | 5 (500) | 63 (320) | 1.5 (0.61–3.9) |
| 30–49 | 10 (124) | 105 (214) | 0.48 (0.25–0.92) |
| ≥50 | 16 (86) | 134 (150) | 0.81 (0.42–1.6) |
| Missing data | 4 (98) | 59 (167) | 0.74 (0.27–2.0) |
| Smoking habits | |||
| Never smoker | 0 (0.0) | 18 (168) | 0.00 (0–0.70) |
| Former smoker | 18 (202) | 125 (224) | 1.2 (0.75–2.4) |
| Current smoker | 11 (75) | 149 (174) | 0.49 (0.26–0.91) |
| Comorbidity | |||
| Ischaemic heart disease | 20 (120) | 105 (357) | 0.43 (0.26–0.72) |
| Congestive heart failure | 10 (156) | 99 (550) | 0.29 (0.15–0.55) |
| Atrial fibrillation | 8 (182) | 97 (458) | 0.52 (0.25–1.1) |
| Cerebrovascular disease | 4 (111) | 29 (345) | 0.36 (0.12–1.1) |
| Peripherial vascular disease | 6 (177) | 24 (429) | 0.43 (0.17–1.1) |
| Arterial hypertension | 16 (172) | 55 (194) | 1.1 (0.59–2.0) |
| Diabetes | 10 (208) | 49 (395) | 0.81 (0.41–1.6) |
| Venous thrombembolism | 1 (250) | 13 (650) | 1.1 (0.19–6.5) |
| Lung cancer | 3 (375) | 21 (808) | 0.96 (0.31–3.0) |
| Cancer at other sites | 4 (444) | 44 (579) | 0.85 (0.29–2.5) |
| Concomitant treatment | |||
| ACEI or ARB | 14 (194) | 71 (261) | 1.1 (0.61–2.1) |
| β-blockers | 11 (106) | 35 (252) | 0.57 (0.28–1.2) |
| Acetyl salicylate | 13 (88) | 85 (259) | 0.44 (0.24–0.82) |
| Warfarin | 6 (231) | 42 (362) | 0.80 (0.32–2.0) |
| Inhaled corticosteroids | 19 (98) | 175 (170) | 0.65 (0.40–1.1) |
| Long-term oxygen therapy | 1 (91) | 37 (407) | 0.33 (0.05–2.1) |
Data are presented as n (95% confidence interval) for MRR, other data are presented as n (mortality rate 1000-1·yr-1). FEV1: forced expiratory volume in one second; % pred: % predicted; ACEI: angiotensin converting enzyme inhibitor; ARB: angiotensin receptor blocker. #: age-specific MRR.