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Recurrent VTE at different follow-up periods.
| No. studies | No. patients | Recurrence rate (%) (sulodexide/control) | RR (95% CI) | P-value | |
|---|---|---|---|---|---|
| 6-month follow-up | 4 | 1,461 | 2.40/4.79 | 0.47 [0.27, 0.83] | 0.009 |
| 12-month follow-up | 3 | 1,311 | 3.47/7.68 | 0.42 [0.26, 0.68] | 0.0004 |
| 18-month follow-up | 2 | 906 | 3.48/6.11 | 0.53 [0.29, 0.98] | 0.04 |
| 24-month follow-up | 3 | 1,311 | 4.89/9.45 | 0.49 [0.33, 0.74] | 0.0007 |
RR, relative risk; CI, confidence intervals.
