Table 1.
Characteristics of the study subjects
(Medians and ranges, or percentages)
| SR group (n 52) | POAF group (n 66) | ||||
|---|---|---|---|---|---|
| Median | Range | Median | Range | P* | |
| Age (years) | 64·0 | 43–79 | 70·5 | 45–82 | 0·001 |
| BMI (kg/m2) | 28·0 | 20·9–41·3 | 27·1 | 21·0–38·1 | 0·86 |
| Sex (% men) | 78·8 | 81·8 | 0·69 | ||
| Smokers (%) | 26·9 | 12·1 | 0·04 | ||
| Alcohol consumption ≥once per week (%) | 67·3 | 74·2 | 0·42 | ||
| Fish intake ≥once a week (%) | 59·6 | 78·8 | 0·03 | ||
| Use of liquid cod liver oil (%)† | 50·0 | 54·5 | 0·70 | ||
| Use of n-3 long-chain PUFA capsules (%)† | 19·2 | 31·8 | 0·14 | ||
| n-3 Long-chain PUFA treatment (%) | 50·0 | 53·0 | 0·74 | ||
| Diabetes (%) | 17·3 | 12·1 | 0·43 | ||
| Treatment with statins (%) | 84·6 | 72·7 | 0·12 | ||
| CABG only (%) | 78·8 | 66·7 | 0·15 | ||
| Total blood volume in drains (ml) | 710 | 175–3070 | 800 | 96–4980 | 0·58 |
SR, sinus rhythm; POAF, postoperative atrial fibrillation; CABG, coronary artery bypass grafting.
*
Compared with the SR group (Mann–Whitney test or χ2 test).
†
Prior to study treatment.