From: Risk of mortality in a cohort of patients newly diagnosed with chronic atrial fibrillation
Cases | Controls | Odds Ratio* | |||
---|---|---|---|---|---|
n = 234 | (%) | n = 801 | (%) | (95% CI) | |
Sex | |||||
Males | 115 | (49.1) | 372 | (53.6) | 1 |
Females | 119 | (50.9) | 429 | (46.4) | 0.9 (0.6–1.3) |
Age | |||||
40–59 years | 4 | (1.7) | 67 | (8.4) | 1 |
60–69 years | 19 | (8.1) | 136 | (17.0) | 1.9 (0.6–5.9) |
70–79 years | 93 | (39.7) | 325 | (40.6) | 4.0 (1.4 – 11.7) |
80–89 years | 118 | (50.4) | 273 | (34.1) | 6.0 (2.0–17.6) |
Smoking status | |||||
Never smoker | 108 | (46.2) | 486 | (60.7) | 1 |
Smoker | 59 | (25.2) | 127 | (15.9) | 2.6 (1.7–4.0) |
Ex-smoker | 28 | (12.0) | 84 | (10.5) | 1.6 (0.9–2.7) |
Unknown | 39 | (16.7) | 104 | (13.0) | 1.7 (1.0–2.9) |
BMI (weight /height 2 ) | |||||
<22 | 30 | (12.8) | 82 | (10.2) | 1.0 (0.6–1.9) |
22–24.9 | 49 | (20.9) | 138 | (17.2) | 1 |
25–30 | 60 | (25.6) | 227 | (28.3) | 0.8 (0.5–1.3) |
+30 | 20 | (8.5) | 131 | (16.4) | 0.5 (0.3–0.9) |
Unknown | 75 | (32.1) | 223 | (27.8) | 0.9 (0.5–1.5) |
Prior co-morbidity | |||||
Diabetes | 30 | (12.8) | 59 | (7.4) | 2.1 (1.3–3.6) |
Heart Failure | 137 | (58.5) | 271 | (33.8) | 1.9 (1.4–2.7) |
Ischemic heart disease | 127 | (54.3) | 206 | (25.7) | 3.0 (2.1 – 4.2) |
Hypertension | 104 | (44.4) | 355 | (44.3) | 0.9 (0.7–1.3) |
Cerebrovascular disease | 73 | (31.2) | 159 | (19.9) | 1.5 (1.1 – 2.2) |