Review Article
Preoperative Antihypertensive Medication in Relation to Postoperative Atrial Fibrillation in Patients Undergoing Cardiac Surgery: A Meta-Analysis
Table 3
Subgroup analysis between preoperative hypertension and POAF.
| Variable | Number of studies | RR (95% CI) | | Effects models | value |
| Different region | | | | | | Asia | 4 | 1.03 (0.97–1.09) | 32 | Fixed effects models | 0.32 | Europe | 12 | 1.08 (1.04–1.12) | 53 | Random effects models | <0.0001 | America | 7 | 1.07 (1.04–1.11) | 61 | Random effects models | <0.00001 | Oceania | 2 | 1.10 (1.00–1.21) | 87 | Random effects models | 0.05 | Study design | | | | | | Case-control | 14 | 1.06 (1.05–1.07) | 0 | Fixed effects models | <0.00001 | Cohort | 11 | 1.11 (1.05–1.17) | 61 | Random effects models | 0.0002 | Study quality score | | | | | | NOS ≥ 6 | 20 | 1.07 (1.05–1.09) | 57 | Random effects models | <0.00001 | NOS < 6 | 5 | 1.13 (1.01–1.26) | 25 | Fixed effects models | 0.03 | Style of operation | | | | | | CABG | 17 | 1.07 (1.05–1.09) | 53 | Random effects models | <0.00001 | AVR | 3 | 1.13 (1.07–1.20) | 23 | Fixed effects models | <0.0001 |
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